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Finding the Fourth Proportional to 14,358.52, 19,814.02 and 8,070.52

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Solution

The fourth proportional to 14,358.52, 19,814.02 and 8,070.52 is: 11,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.52 : 19,814.02 = 8,070.52 : x
  2. Step 2: Convert to fraction form
    14,358.52/19,814.02 = 8,070.52/x
  3. Step 3: Cross multiply
    14,358.52x = 19,814.02 × 8,070.52
  4. Step 4: Simplify right side
    14,358.52x = 159,909,444.69
  5. Step 5: Solve for x
    x = 159,909,444.69/14,358.52
  6. Step 6: Final answer
    x = 11,136.90

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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.