Home / 14,752.80-20,358.60-8,038.47

Finding the Fourth Proportional to 14,752.80, 20,358.60 and 8,038.47

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Solution

The fourth proportional to 14,752.80, 20,358.60 and 8,038.47 is: 11,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.80 : 20,358.60 = 8,038.47 : x
  2. Step 2: Convert to fraction form
    14,752.80/20,358.60 = 8,038.47/x
  3. Step 3: Cross multiply
    14,752.80x = 20,358.60 × 8,038.47
  4. Step 4: Simplify right side
    14,752.80x = 163,651,995.34
  5. Step 5: Solve for x
    x = 163,651,995.34/14,752.80
  6. Step 6: Final answer
    x = 11,092.94

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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.