Home / 14,715.50-20,307.65-8,001.27

Finding the Fourth Proportional to 14,715.50, 20,307.65 and 8,001.27

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Solution

The fourth proportional to 14,715.50, 20,307.65 and 8,001.27 is: 11,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.50 : 20,307.65 = 8,001.27 : x
  2. Step 2: Convert to fraction form
    14,715.50/20,307.65 = 8,001.27/x
  3. Step 3: Cross multiply
    14,715.50x = 20,307.65 × 8,001.27
  4. Step 4: Simplify right side
    14,715.50x = 162,486,950.71
  5. Step 5: Solve for x
    x = 162,486,950.71/14,715.50
  6. Step 6: Final answer
    x = 11,041.90

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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.