Home / 14,042.15-19,385.95-9,572.47

Finding the Fourth Proportional to 14,042.15, 19,385.95 and 9,572.47

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Solution

The fourth proportional to 14,042.15, 19,385.95 and 9,572.47 is: 13,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.15 : 19,385.95 = 9,572.47 : x
  2. Step 2: Convert to fraction form
    14,042.15/19,385.95 = 9,572.47/x
  3. Step 3: Cross multiply
    14,042.15x = 19,385.95 × 9,572.47
  4. Step 4: Simplify right side
    14,042.15x = 185,571,424.80
  5. Step 5: Solve for x
    x = 185,571,424.80/14,042.15
  6. Step 6: Final answer
    x = 13,215.31

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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.