Home / 25,771.53-38,661.47-9,127.92

Finding the Fourth Proportional to 25,771.53, 38,661.47 and 9,127.92

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Solution

The fourth proportional to 25,771.53, 38,661.47 and 9,127.92 is: 13,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.53 : 38,661.47 = 9,127.92 : x
  2. Step 2: Convert to fraction form
    25,771.53/38,661.47 = 9,127.92/x
  3. Step 3: Cross multiply
    25,771.53x = 38,661.47 × 9,127.92
  4. Step 4: Simplify right side
    25,771.53x = 352,898,938.81
  5. Step 5: Solve for x
    x = 352,898,938.81/25,771.53
  6. Step 6: Final answer
    x = 13,693.36

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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.