Home / 22,577.14-31,156.28-12,506.21

Finding the Fourth Proportional to 22,577.14, 31,156.28 and 12,506.21

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Solution

The fourth proportional to 22,577.14, 31,156.28 and 12,506.21 is: 17,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,577.14 : 31,156.28 = 12,506.21 : x
  2. Step 2: Convert to fraction form
    22,577.14/31,156.28 = 12,506.21/x
  3. Step 3: Cross multiply
    22,577.14x = 31,156.28 × 12,506.21
  4. Step 4: Simplify right side
    22,577.14x = 389,646,925.92
  5. Step 5: Solve for x
    x = 389,646,925.92/22,577.14
  6. Step 6: Final answer
    x = 17,258.47

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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.