Home / 25,416.40-38,158.80-14,897.20

Finding the Fourth Proportional to 25,416.40, 38,158.80 and 14,897.20

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Solution

The fourth proportional to 25,416.40, 38,158.80 and 14,897.20 is: 22,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.40 : 38,158.80 = 14,897.20 : x
  2. Step 2: Convert to fraction form
    25,416.40/38,158.80 = 14,897.20/x
  3. Step 3: Cross multiply
    25,416.40x = 38,158.80 × 14,897.20
  4. Step 4: Simplify right side
    25,416.40x = 568,459,275.36
  5. Step 5: Solve for x
    x = 568,459,275.36/25,416.40
  6. Step 6: Final answer
    x = 22,365.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.