Home / 14,305.27-19,741.18-7,931.86

Finding the Fourth Proportional to 14,305.27, 19,741.18 and 7,931.86

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Solution

The fourth proportional to 14,305.27, 19,741.18 and 7,931.86 is: 10,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.27 : 19,741.18 = 7,931.86 : x
  2. Step 2: Convert to fraction form
    14,305.27/19,741.18 = 7,931.86/x
  3. Step 3: Cross multiply
    14,305.27x = 19,741.18 × 7,931.86
  4. Step 4: Simplify right side
    14,305.27x = 156,584,275.99
  5. Step 5: Solve for x
    x = 156,584,275.99/14,305.27
  6. Step 6: Final answer
    x = 10,945.92

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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.