Home / 19,152.76-26,439.78-14,127.40

Finding the Fourth Proportional to 19,152.76, 26,439.78 and 14,127.40

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Solution

The fourth proportional to 19,152.76, 26,439.78 and 14,127.40 is: 19,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.76 : 26,439.78 = 14,127.40 : x
  2. Step 2: Convert to fraction form
    19,152.76/26,439.78 = 14,127.40/x
  3. Step 3: Cross multiply
    19,152.76x = 26,439.78 × 14,127.40
  4. Step 4: Simplify right side
    19,152.76x = 373,525,347.97
  5. Step 5: Solve for x
    x = 373,525,347.97/19,152.76
  6. Step 6: Final answer
    x = 19,502.43

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Half scale
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Double scale
Find fourth proportional to 19,153.76, 26,441.16 and 14,128.40
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.