Home / 25,962.62-35,829.14-15,890.90

Finding the Fourth Proportional to 25,962.62, 35,829.14 and 15,890.90

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Solution

The fourth proportional to 25,962.62, 35,829.14 and 15,890.90 is: 21,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,962.62 : 35,829.14 = 15,890.90 : x
  2. Step 2: Convert to fraction form
    25,962.62/35,829.14 = 15,890.90/x
  3. Step 3: Cross multiply
    25,962.62x = 35,829.14 × 15,890.90
  4. Step 4: Simplify right side
    25,962.62x = 569,357,022.23
  5. Step 5: Solve for x
    x = 569,357,022.23/25,962.62
  6. Step 6: Final answer
    x = 21,929.88

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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.