Home / 23,177.51-31,985.00-12,567.14

Finding the Fourth Proportional to 23,177.51, 31,985.00 and 12,567.14

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Solution

The fourth proportional to 23,177.51, 31,985.00 and 12,567.14 is: 17,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.51 : 31,985.00 = 12,567.14 : x
  2. Step 2: Convert to fraction form
    23,177.51/31,985.00 = 12,567.14/x
  3. Step 3: Cross multiply
    23,177.51x = 31,985.00 × 12,567.14
  4. Step 4: Simplify right side
    23,177.51x = 401,960,042.51
  5. Step 5: Solve for x
    x = 401,960,042.51/23,177.51
  6. Step 6: Final answer
    x = 17,342.68

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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.