Home / 14,731.61-20,306.01-9,950.05

Finding the Fourth Proportional to 14,731.61, 20,306.01 and 9,950.05

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Solution

The fourth proportional to 14,731.61, 20,306.01 and 9,950.05 is: 13,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.61 : 20,306.01 = 9,950.05 : x
  2. Step 2: Convert to fraction form
    14,731.61/20,306.01 = 9,950.05/x
  3. Step 3: Cross multiply
    14,731.61x = 20,306.01 × 9,950.05
  4. Step 4: Simplify right side
    14,731.61x = 202,045,707.31
  5. Step 5: Solve for x
    x = 202,045,707.31/14,731.61
  6. Step 6: Final answer
    x = 13,715.12

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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.