Home / 14,276.11-19,700.54-7,902.98

Finding the Fourth Proportional to 14,276.11, 19,700.54 and 7,902.98

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Solution

The fourth proportional to 14,276.11, 19,700.54 and 7,902.98 is: 10,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.11 : 19,700.54 = 7,902.98 : x
  2. Step 2: Convert to fraction form
    14,276.11/19,700.54 = 7,902.98/x
  3. Step 3: Cross multiply
    14,276.11x = 19,700.54 × 7,902.98
  4. Step 4: Simplify right side
    14,276.11x = 155,692,909.47
  5. Step 5: Solve for x
    x = 155,692,909.47/14,276.11
  6. Step 6: Final answer
    x = 10,905.83

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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.