Home / 25,238.28-34,830-14,631.24

Finding the Fourth Proportional to 25,238.28, 34,830 and 14,631.24

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Solution

The fourth proportional to 25,238.28, 34,830 and 14,631.24 is: 20,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,238.28 : 34,830 = 14,631.24 : x
  2. Step 2: Convert to fraction form
    25,238.28/34,830 = 14,631.24/x
  3. Step 3: Cross multiply
    25,238.28x = 34,830 × 14,631.24
  4. Step 4: Simplify right side
    25,238.28x = 509,606,089.20
  5. Step 5: Solve for x
    x = 509,606,089.20/25,238.28
  6. Step 6: Final answer
    x = 20,191.79

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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.