Home / 39,823.38-59,740.56-13,521.06

Finding the Fourth Proportional to 39,823.38, 59,740.56 and 13,521.06

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Solution

The fourth proportional to 39,823.38, 59,740.56 and 13,521.06 is: 20,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,823.38 : 59,740.56 = 13,521.06 : x
  2. Step 2: Convert to fraction form
    39,823.38/59,740.56 = 13,521.06/x
  3. Step 3: Cross multiply
    39,823.38x = 59,740.56 × 13,521.06
  4. Step 4: Simplify right side
    39,823.38x = 807,755,696.19
  5. Step 5: Solve for x
    x = 807,755,696.19/39,823.38
  6. Step 6: Final answer
    x = 20,283.45

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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.