Home / 22,130.85-30,541.31-12,059.71

Finding the Fourth Proportional to 22,130.85, 30,541.31 and 12,059.71

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Solution

The fourth proportional to 22,130.85, 30,541.31 and 12,059.71 is: 16,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.85 : 30,541.31 = 12,059.71 : x
  2. Step 2: Convert to fraction form
    22,130.85/30,541.31 = 12,059.71/x
  3. Step 3: Cross multiply
    22,130.85x = 30,541.31 × 12,059.71
  4. Step 4: Simplify right side
    22,130.85x = 368,319,341.62
  5. Step 5: Solve for x
    x = 368,319,341.62/22,130.85
  6. Step 6: Final answer
    x = 16,642.80

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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.