Home / 25,231.61-34,818.46-13,900.56

Finding the Fourth Proportional to 25,231.61, 34,818.46 and 13,900.56

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Solution

The fourth proportional to 25,231.61, 34,818.46 and 13,900.56 is: 19,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.61 : 34,818.46 = 13,900.56 : x
  2. Step 2: Convert to fraction form
    25,231.61/34,818.46 = 13,900.56/x
  3. Step 3: Cross multiply
    25,231.61x = 34,818.46 × 13,900.56
  4. Step 4: Simplify right side
    25,231.61x = 483,995,848.74
  5. Step 5: Solve for x
    x = 483,995,848.74/25,231.61
  6. Step 6: Final answer
    x = 19,182.12

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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.