Home / 14,456.04-19,952.60-8,172.04

Finding the Fourth Proportional to 14,456.04, 19,952.60 and 8,172.04

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Solution

The fourth proportional to 14,456.04, 19,952.60 and 8,172.04 is: 11,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.04 : 19,952.60 = 8,172.04 : x
  2. Step 2: Convert to fraction form
    14,456.04/19,952.60 = 8,172.04/x
  3. Step 3: Cross multiply
    14,456.04x = 19,952.60 × 8,172.04
  4. Step 4: Simplify right side
    14,456.04x = 163,053,445.30
  5. Step 5: Solve for x
    x = 163,053,445.30/14,456.04
  6. Step 6: Final answer
    x = 11,279.26

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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.