Home / 22,165.16-30,576.02-14,985.62

Finding the Fourth Proportional to 22,165.16, 30,576.02 and 14,985.62

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Solution

The fourth proportional to 22,165.16, 30,576.02 and 14,985.62 is: 20,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.16 : 30,576.02 = 14,985.62 : x
  2. Step 2: Convert to fraction form
    22,165.16/30,576.02 = 14,985.62/x
  3. Step 3: Cross multiply
    22,165.16x = 30,576.02 × 14,985.62
  4. Step 4: Simplify right side
    22,165.16x = 458,200,503.68
  5. Step 5: Solve for x
    x = 458,200,503.68/22,165.16
  6. Step 6: Final answer
    x = 20,672.11

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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.