Home / 25,421.91-38,132.67-7,652.51

Finding the Fourth Proportional to 25,421.91, 38,132.67 and 7,652.51

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Solution

The fourth proportional to 25,421.91, 38,132.67 and 7,652.51 is: 11,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.91 : 38,132.67 = 7,652.51 : x
  2. Step 2: Convert to fraction form
    25,421.91/38,132.67 = 7,652.51/x
  3. Step 3: Cross multiply
    25,421.91x = 38,132.67 × 7,652.51
  4. Step 4: Simplify right side
    25,421.91x = 291,810,447.84
  5. Step 5: Solve for x
    x = 291,810,447.84/25,421.91
  6. Step 6: Final answer
    x = 11,478.70

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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.