Home / 19,220.76-26,548.20-13,907.16

Finding the Fourth Proportional to 19,220.76, 26,548.20 and 13,907.16

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Solution

The fourth proportional to 19,220.76, 26,548.20 and 13,907.16 is: 19,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.76 : 26,548.20 = 13,907.16 : x
  2. Step 2: Convert to fraction form
    19,220.76/26,548.20 = 13,907.16/x
  3. Step 3: Cross multiply
    19,220.76x = 26,548.20 × 13,907.16
  4. Step 4: Simplify right side
    19,220.76x = 369,210,065.11
  5. Step 5: Solve for x
    x = 369,210,065.11/19,220.76
  6. Step 6: Final answer
    x = 19,208.92

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Double scale
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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.