Home / 53,132.71-79,699.75-15,693.32

Finding the Fourth Proportional to 53,132.71, 79,699.75 and 15,693.32

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Solution

The fourth proportional to 53,132.71, 79,699.75 and 15,693.32 is: 23,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,132.71 : 79,699.75 = 15,693.32 : x
  2. Step 2: Convert to fraction form
    53,132.71/79,699.75 = 15,693.32/x
  3. Step 3: Cross multiply
    53,132.71x = 79,699.75 × 15,693.32
  4. Step 4: Simplify right side
    53,132.71x = 1,250,753,616.53
  5. Step 5: Solve for x
    x = 1,250,753,616.53/53,132.71
  6. Step 6: Final answer
    x = 23,540.18

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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.