Home / 22,397.61-30,907.78-12,325.11

Finding the Fourth Proportional to 22,397.61, 30,907.78 and 12,325.11

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Solution

The fourth proportional to 22,397.61, 30,907.78 and 12,325.11 is: 17,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,397.61 : 30,907.78 = 12,325.11 : x
  2. Step 2: Convert to fraction form
    22,397.61/30,907.78 = 12,325.11/x
  3. Step 3: Cross multiply
    22,397.61x = 30,907.78 × 12,325.11
  4. Step 4: Simplify right side
    22,397.61x = 380,941,815.50
  5. Step 5: Solve for x
    x = 380,941,815.50/22,397.61
  6. Step 6: Final answer
    x = 17,008.14

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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.