Home / 14,715.68-20,307.20-8,001.32

Finding the Fourth Proportional to 14,715.68, 20,307.20 and 8,001.32

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Solution

The fourth proportional to 14,715.68, 20,307.20 and 8,001.32 is: 11,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.68 : 20,307.20 = 8,001.32 : x
  2. Step 2: Convert to fraction form
    14,715.68/20,307.20 = 8,001.32/x
  3. Step 3: Cross multiply
    14,715.68x = 20,307.20 × 8,001.32
  4. Step 4: Simplify right side
    14,715.68x = 162,484,416.27
  5. Step 5: Solve for x
    x = 162,484,416.27/14,715.68
  6. Step 6: Final answer
    x = 11,041.58

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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.