Home / 14,715.56-20,307.11-8,001.05

Finding the Fourth Proportional to 14,715.56, 20,307.11 and 8,001.05

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Solution

The fourth proportional to 14,715.56, 20,307.11 and 8,001.05 is: 11,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.56 : 20,307.11 = 8,001.05 : x
  2. Step 2: Convert to fraction form
    14,715.56/20,307.11 = 8,001.05/x
  3. Step 3: Cross multiply
    14,715.56x = 20,307.11 × 8,001.05
  4. Step 4: Simplify right side
    14,715.56x = 162,478,060.92
  5. Step 5: Solve for x
    x = 162,478,060.92/14,715.56
  6. Step 6: Final answer
    x = 11,041.24

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Double scale
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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.