Home / 14,472.40-19,972.98-8,099.63

Finding the Fourth Proportional to 14,472.40, 19,972.98 and 8,099.63

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Solution

The fourth proportional to 14,472.40, 19,972.98 and 8,099.63 is: 11,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.40 : 19,972.98 = 8,099.63 : x
  2. Step 2: Convert to fraction form
    14,472.40/19,972.98 = 8,099.63/x
  3. Step 3: Cross multiply
    14,472.40x = 19,972.98 × 8,099.63
  4. Step 4: Simplify right side
    14,472.40x = 161,773,666.86
  5. Step 5: Solve for x
    x = 161,773,666.86/14,472.40
  6. Step 6: Final answer
    x = 11,178.08

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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.