Home / 22,838.23-31,516.08-12,766.72

Finding the Fourth Proportional to 22,838.23, 31,516.08 and 12,766.72

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Solution

The fourth proportional to 22,838.23, 31,516.08 and 12,766.72 is: 17,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,838.23 : 31,516.08 = 12,766.72 : x
  2. Step 2: Convert to fraction form
    22,838.23/31,516.08 = 12,766.72/x
  3. Step 3: Cross multiply
    22,838.23x = 31,516.08 × 12,766.72
  4. Step 4: Simplify right side
    22,838.23x = 402,356,968.86
  5. Step 5: Solve for x
    x = 402,356,968.86/22,838.23
  6. Step 6: Final answer
    x = 17,617.69

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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.