Home / 23,177.86-31,985.40-12,567.46

Finding the Fourth Proportional to 23,177.86, 31,985.40 and 12,567.46

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Solution

The fourth proportional to 23,177.86, 31,985.40 and 12,567.46 is: 17,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.86 : 31,985.40 = 12,567.46 : x
  2. Step 2: Convert to fraction form
    23,177.86/31,985.40 = 12,567.46/x
  3. Step 3: Cross multiply
    23,177.86x = 31,985.40 × 12,567.46
  4. Step 4: Simplify right side
    23,177.86x = 401,975,235.08
  5. Step 5: Solve for x
    x = 401,975,235.08/23,177.86
  6. Step 6: Final answer
    x = 17,343.07

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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.