Home / 25,357.52-34,984.76-15,282.16

Finding the Fourth Proportional to 25,357.52, 34,984.76 and 15,282.16

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Solution

The fourth proportional to 25,357.52, 34,984.76 and 15,282.16 is: 21,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.52 : 34,984.76 = 15,282.16 : x
  2. Step 2: Convert to fraction form
    25,357.52/34,984.76 = 15,282.16/x
  3. Step 3: Cross multiply
    25,357.52x = 34,984.76 × 15,282.16
  4. Step 4: Simplify right side
    25,357.52x = 534,642,699.88
  5. Step 5: Solve for x
    x = 534,642,699.88/25,357.52
  6. Step 6: Final answer
    x = 21,084.19

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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.