Home / 22,516.02-31,071.93-12,445.14

Finding the Fourth Proportional to 22,516.02, 31,071.93 and 12,445.14

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Solution

The fourth proportional to 22,516.02, 31,071.93 and 12,445.14 is: 17,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,516.02 : 31,071.93 = 12,445.14 : x
  2. Step 2: Convert to fraction form
    22,516.02/31,071.93 = 12,445.14/x
  3. Step 3: Cross multiply
    22,516.02x = 31,071.93 × 12,445.14
  4. Step 4: Simplify right side
    22,516.02x = 386,694,518.92
  5. Step 5: Solve for x
    x = 386,694,518.92/22,516.02
  6. Step 6: Final answer
    x = 17,174.20

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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.