Home / 22,620.74-31,211.95-13,060.46

Finding the Fourth Proportional to 22,620.74, 31,211.95 and 13,060.46

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Solution

The fourth proportional to 22,620.74, 31,211.95 and 13,060.46 is: 18,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.74 : 31,211.95 = 13,060.46 : x
  2. Step 2: Convert to fraction form
    22,620.74/31,211.95 = 13,060.46/x
  3. Step 3: Cross multiply
    22,620.74x = 31,211.95 × 13,060.46
  4. Step 4: Simplify right side
    22,620.74x = 407,642,424.50
  5. Step 5: Solve for x
    x = 407,642,424.50/22,620.74
  6. Step 6: Final answer
    x = 18,020.74

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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.