Home / 22,664.52-31,280.80-18,881.70

Finding the Fourth Proportional to 22,664.52, 31,280.80 and 18,881.70

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Solution

The fourth proportional to 22,664.52, 31,280.80 and 18,881.70 is: 26,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.52 : 31,280.80 = 18,881.70 : x
  2. Step 2: Convert to fraction form
    22,664.52/31,280.80 = 18,881.70/x
  3. Step 3: Cross multiply
    22,664.52x = 31,280.80 × 18,881.70
  4. Step 4: Simplify right side
    22,664.52x = 590,634,681.36
  5. Step 5: Solve for x
    x = 590,634,681.36/22,664.52
  6. Step 6: Final answer
    x = 26,059.88

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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.