Home / 23,177.95-31,985.28-12,567.56

Finding the Fourth Proportional to 23,177.95, 31,985.28 and 12,567.56

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Solution

The fourth proportional to 23,177.95, 31,985.28 and 12,567.56 is: 17,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.95 : 31,985.28 = 12,567.56 : x
  2. Step 2: Convert to fraction form
    23,177.95/31,985.28 = 12,567.56/x
  3. Step 3: Cross multiply
    23,177.95x = 31,985.28 × 12,567.56
  4. Step 4: Simplify right side
    23,177.95x = 401,976,765.59
  5. Step 5: Solve for x
    x = 401,976,765.59/23,177.95
  6. Step 6: Final answer
    x = 17,343.07

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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.