Home / 23,177.64-31,985.19-12,567.30

Finding the Fourth Proportional to 23,177.64, 31,985.19 and 12,567.30

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Solution

The fourth proportional to 23,177.64, 31,985.19 and 12,567.30 is: 17,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.64 : 31,985.19 = 12,567.30 : x
  2. Step 2: Convert to fraction form
    23,177.64/31,985.19 = 12,567.30/x
  3. Step 3: Cross multiply
    23,177.64x = 31,985.19 × 12,567.30
  4. Step 4: Simplify right side
    23,177.64x = 401,967,478.29
  5. Step 5: Solve for x
    x = 401,967,478.29/23,177.64
  6. Step 6: Final answer
    x = 17,342.90

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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.