Home / 25,926.40-38,892-15,603.76

Finding the Fourth Proportional to 25,926.40, 38,892 and 15,603.76

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Solution

The fourth proportional to 25,926.40, 38,892 and 15,603.76 is: 23,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,926.40 : 38,892 = 15,603.76 : x
  2. Step 2: Convert to fraction form
    25,926.40/38,892 = 15,603.76/x
  3. Step 3: Cross multiply
    25,926.40x = 38,892 × 15,603.76
  4. Step 4: Simplify right side
    25,926.40x = 606,861,433.92
  5. Step 5: Solve for x
    x = 606,861,433.92/25,926.40
  6. Step 6: Final answer
    x = 23,407.08

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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.