Home / 25,148.40-34,704.62-13,818.02

Finding the Fourth Proportional to 25,148.40, 34,704.62 and 13,818.02

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Solution

The fourth proportional to 25,148.40, 34,704.62 and 13,818.02 is: 19,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.40 : 34,704.62 = 13,818.02 : x
  2. Step 2: Convert to fraction form
    25,148.40/34,704.62 = 13,818.02/x
  3. Step 3: Cross multiply
    25,148.40x = 34,704.62 × 13,818.02
  4. Step 4: Simplify right side
    25,148.40x = 479,549,037.66
  5. Step 5: Solve for x
    x = 479,549,037.66/25,148.40
  6. Step 6: Final answer
    x = 19,068.77

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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.