Home / 15,848.04-21,872.63-9,132.39

Finding the Fourth Proportional to 15,848.04, 21,872.63 and 9,132.39

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Solution

The fourth proportional to 15,848.04, 21,872.63 and 9,132.39 is: 12,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.04 : 21,872.63 = 9,132.39 : x
  2. Step 2: Convert to fraction form
    15,848.04/21,872.63 = 9,132.39/x
  3. Step 3: Cross multiply
    15,848.04x = 21,872.63 × 9,132.39
  4. Step 4: Simplify right side
    15,848.04x = 199,749,387.49
  5. Step 5: Solve for x
    x = 199,749,387.49/15,848.04
  6. Step 6: Final answer
    x = 12,604.04

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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.