Home / 22,507.40-31,058.62-12,435.74

Finding the Fourth Proportional to 22,507.40, 31,058.62 and 12,435.74

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Solution

The fourth proportional to 22,507.40, 31,058.62 and 12,435.74 is: 17,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,507.40 : 31,058.62 = 12,435.74 : x
  2. Step 2: Convert to fraction form
    22,507.40/31,058.62 = 12,435.74/x
  3. Step 3: Cross multiply
    22,507.40x = 31,058.62 × 12,435.74
  4. Step 4: Simplify right side
    22,507.40x = 386,236,853.17
  5. Step 5: Solve for x
    x = 386,236,853.17/22,507.40
  6. Step 6: Final answer
    x = 17,160.44

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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.