Home / 35,505.71-53,258.97-10,545.15

Finding the Fourth Proportional to 35,505.71, 53,258.97 and 10,545.15

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Solution

The fourth proportional to 35,505.71, 53,258.97 and 10,545.15 is: 15,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.71 : 53,258.97 = 10,545.15 : x
  2. Step 2: Convert to fraction form
    35,505.71/53,258.97 = 10,545.15/x
  3. Step 3: Cross multiply
    35,505.71x = 53,258.97 × 10,545.15
  4. Step 4: Simplify right side
    35,505.71x = 561,623,827.50
  5. Step 5: Solve for x
    x = 561,623,827.50/35,505.71
  6. Step 6: Final answer
    x = 15,817.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.