Home / 16,071.04-22,174.40-9,355.20

Finding the Fourth Proportional to 16,071.04, 22,174.40 and 9,355.20

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Solution

The fourth proportional to 16,071.04, 22,174.40 and 9,355.20 is: 12,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,071.04 : 22,174.40 = 9,355.20 : x
  2. Step 2: Convert to fraction form
    16,071.04/22,174.40 = 9,355.20/x
  3. Step 3: Cross multiply
    16,071.04x = 22,174.40 × 9,355.20
  4. Step 4: Simplify right side
    16,071.04x = 207,445,946.88
  5. Step 5: Solve for x
    x = 207,445,946.88/16,071.04
  6. Step 6: Final answer
    x = 12,908.06

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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.