Home / 25,347.16-34,982.01-15,280.75

Finding the Fourth Proportional to 25,347.16, 34,982.01 and 15,280.75

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Solution

The fourth proportional to 25,347.16, 34,982.01 and 15,280.75 is: 21,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.16 : 34,982.01 = 15,280.75 : x
  2. Step 2: Convert to fraction form
    25,347.16/34,982.01 = 15,280.75/x
  3. Step 3: Cross multiply
    25,347.16x = 34,982.01 × 15,280.75
  4. Step 4: Simplify right side
    25,347.16x = 534,551,349.31
  5. Step 5: Solve for x
    x = 534,551,349.31/25,347.16
  6. Step 6: Final answer
    x = 21,089.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.