Home / 13,473.18-18,531.30-10,814.76

Finding the Fourth Proportional to 13,473.18, 18,531.30 and 10,814.76

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Solution

The fourth proportional to 13,473.18, 18,531.30 and 10,814.76 is: 14,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.18 : 18,531.30 = 10,814.76 : x
  2. Step 2: Convert to fraction form
    13,473.18/18,531.30 = 10,814.76/x
  3. Step 3: Cross multiply
    13,473.18x = 18,531.30 × 10,814.76
  4. Step 4: Simplify right side
    13,473.18x = 200,411,561.99
  5. Step 5: Solve for x
    x = 200,411,561.99/13,473.18
  6. Step 6: Final answer
    x = 14,874.85

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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.