Home / 19,641.17-27,105.05-10,688.49

Finding the Fourth Proportional to 19,641.17, 27,105.05 and 10,688.49

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Solution

The fourth proportional to 19,641.17, 27,105.05 and 10,688.49 is: 14,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.17 : 27,105.05 = 10,688.49 : x
  2. Step 2: Convert to fraction form
    19,641.17/27,105.05 = 10,688.49/x
  3. Step 3: Cross multiply
    19,641.17x = 27,105.05 × 10,688.49
  4. Step 4: Simplify right side
    19,641.17x = 289,712,082.60
  5. Step 5: Solve for x
    x = 289,712,082.60/19,641.17
  6. Step 6: Final answer
    x = 14,750.24

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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.