Home / 25,670.70-38,489.40-10,875.60

Finding the Fourth Proportional to 25,670.70, 38,489.40 and 10,875.60

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Solution

The fourth proportional to 25,670.70, 38,489.40 and 10,875.60 is: 16,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.70 : 38,489.40 = 10,875.60 : x
  2. Step 2: Convert to fraction form
    25,670.70/38,489.40 = 10,875.60/x
  3. Step 3: Cross multiply
    25,670.70x = 38,489.40 × 10,875.60
  4. Step 4: Simplify right side
    25,670.70x = 418,595,318.64
  5. Step 5: Solve for x
    x = 418,595,318.64/25,670.70
  6. Step 6: Final answer
    x = 16,306.35

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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.