Home / 23,177.49-31,984.63-12,566.90

Finding the Fourth Proportional to 23,177.49, 31,984.63 and 12,566.90

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Solution

The fourth proportional to 23,177.49, 31,984.63 and 12,566.90 is: 17,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.49 : 31,984.63 = 12,566.90 : x
  2. Step 2: Convert to fraction form
    23,177.49/31,984.63 = 12,566.90/x
  3. Step 3: Cross multiply
    23,177.49x = 31,984.63 × 12,566.90
  4. Step 4: Simplify right side
    23,177.49x = 401,947,455.41
  5. Step 5: Solve for x
    x = 401,947,455.41/23,177.49
  6. Step 6: Final answer
    x = 17,342.15

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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.