Home / 22,154.56-30,575.11-12,597.45

Finding the Fourth Proportional to 22,154.56, 30,575.11 and 12,597.45

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Solution

The fourth proportional to 22,154.56, 30,575.11 and 12,597.45 is: 17,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.56 : 30,575.11 = 12,597.45 : x
  2. Step 2: Convert to fraction form
    22,154.56/30,575.11 = 12,597.45/x
  3. Step 3: Cross multiply
    22,154.56x = 30,575.11 × 12,597.45
  4. Step 4: Simplify right side
    22,154.56x = 385,168,266.59
  5. Step 5: Solve for x
    x = 385,168,266.59/22,154.56
  6. Step 6: Final answer
    x = 17,385.51

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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.