Home / 25,262.08-34,849.12-15,185.76

Finding the Fourth Proportional to 25,262.08, 34,849.12 and 15,185.76

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Solution

The fourth proportional to 25,262.08, 34,849.12 and 15,185.76 is: 20,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,262.08 : 34,849.12 = 15,185.76 : x
  2. Step 2: Convert to fraction form
    25,262.08/34,849.12 = 15,185.76/x
  3. Step 3: Cross multiply
    25,262.08x = 34,849.12 × 15,185.76
  4. Step 4: Simplify right side
    25,262.08x = 529,210,372.53
  5. Step 5: Solve for x
    x = 529,210,372.53/25,262.08
  6. Step 6: Final answer
    x = 20,948.80

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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.