Home / 14,931.88-22,382.11-7,520.77

Finding the Fourth Proportional to 14,931.88, 22,382.11 and 7,520.77

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Solution

The fourth proportional to 14,931.88, 22,382.11 and 7,520.77 is: 11,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.88 : 22,382.11 = 7,520.77 : x
  2. Step 2: Convert to fraction form
    14,931.88/22,382.11 = 7,520.77/x
  3. Step 3: Cross multiply
    14,931.88x = 22,382.11 × 7,520.77
  4. Step 4: Simplify right side
    14,931.88x = 168,330,663.82
  5. Step 5: Solve for x
    x = 168,330,663.82/14,931.88
  6. Step 6: Final answer
    x = 11,273.24

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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.