Home / 39,805.38-59,713.56-13,503.06

Finding the Fourth Proportional to 39,805.38, 59,713.56 and 13,503.06

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Solution

The fourth proportional to 39,805.38, 59,713.56 and 13,503.06 is: 20,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,805.38 : 59,713.56 = 13,503.06 : x
  2. Step 2: Convert to fraction form
    39,805.38/59,713.56 = 13,503.06/x
  3. Step 3: Cross multiply
    39,805.38x = 59,713.56 × 13,503.06
  4. Step 4: Simplify right side
    39,805.38x = 806,315,783.49
  5. Step 5: Solve for x
    x = 806,315,783.49/39,805.38
  6. Step 6: Final answer
    x = 20,256.45

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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.