Home / 22,935.60-31,657.86-14,979.06

Finding the Fourth Proportional to 22,935.60, 31,657.86 and 14,979.06

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Solution

The fourth proportional to 22,935.60, 31,657.86 and 14,979.06 is: 20,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.60 : 31,657.86 = 14,979.06 : x
  2. Step 2: Convert to fraction form
    22,935.60/31,657.86 = 14,979.06/x
  3. Step 3: Cross multiply
    22,935.60x = 31,657.86 × 14,979.06
  4. Step 4: Simplify right side
    22,935.60x = 474,204,984.41
  5. Step 5: Solve for x
    x = 474,204,984.41/22,935.60
  6. Step 6: Final answer
    x = 20,675.50

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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.