Home / 22,211.76-30,631.02-14,543.60

Finding the Fourth Proportional to 22,211.76, 30,631.02 and 14,543.60

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Solution

The fourth proportional to 22,211.76, 30,631.02 and 14,543.60 is: 20,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.76 : 30,631.02 = 14,543.60 : x
  2. Step 2: Convert to fraction form
    22,211.76/30,631.02 = 14,543.60/x
  3. Step 3: Cross multiply
    22,211.76x = 30,631.02 × 14,543.60
  4. Step 4: Simplify right side
    22,211.76x = 445,485,094.78
  5. Step 5: Solve for x
    x = 445,485,094.78/22,211.76
  6. Step 6: Final answer
    x = 20,056.27

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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.