Home / 25,498.12-35,187.30-14,319.88

Finding the Fourth Proportional to 25,498.12, 35,187.30 and 14,319.88

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Solution

The fourth proportional to 25,498.12, 35,187.30 and 14,319.88 is: 19,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,498.12 : 35,187.30 = 14,319.88 : x
  2. Step 2: Convert to fraction form
    25,498.12/35,187.30 = 14,319.88/x
  3. Step 3: Cross multiply
    25,498.12x = 35,187.30 × 14,319.88
  4. Step 4: Simplify right side
    25,498.12x = 503,877,913.52
  5. Step 5: Solve for x
    x = 503,877,913.52/25,498.12
  6. Step 6: Final answer
    x = 19,761.38

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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.