Home / 23,427.31-32,329.95-12,672.40

Finding the Fourth Proportional to 23,427.31, 32,329.95 and 12,672.40

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Solution

The fourth proportional to 23,427.31, 32,329.95 and 12,672.40 is: 17,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.31 : 32,329.95 = 12,672.40 : x
  2. Step 2: Convert to fraction form
    23,427.31/32,329.95 = 12,672.40/x
  3. Step 3: Cross multiply
    23,427.31x = 32,329.95 × 12,672.40
  4. Step 4: Simplify right side
    23,427.31x = 409,698,058.38
  5. Step 5: Solve for x
    x = 409,698,058.38/23,427.31
  6. Step 6: Final answer
    x = 17,488.05

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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.