Home / 19,185.91-26,476.20-10,688.73

Finding the Fourth Proportional to 19,185.91, 26,476.20 and 10,688.73

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Solution

The fourth proportional to 19,185.91, 26,476.20 and 10,688.73 is: 14,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.91 : 26,476.20 = 10,688.73 : x
  2. Step 2: Convert to fraction form
    19,185.91/26,476.20 = 10,688.73/x
  3. Step 3: Cross multiply
    19,185.91x = 26,476.20 × 10,688.73
  4. Step 4: Simplify right side
    19,185.91x = 282,997,012.43
  5. Step 5: Solve for x
    x = 282,997,012.43/19,185.91
  6. Step 6: Final answer
    x = 14,750.25

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Half scale
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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.