Home / 18,959.04-28,248.96-16,889.76

Finding the Fourth Proportional to 18,959.04, 28,248.96 and 16,889.76

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Solution

The fourth proportional to 18,959.04, 28,248.96 and 16,889.76 is: 25,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959.04 : 28,248.96 = 16,889.76 : x
  2. Step 2: Convert to fraction form
    18,959.04/28,248.96 = 16,889.76/x
  3. Step 3: Cross multiply
    18,959.04x = 28,248.96 × 16,889.76
  4. Step 4: Simplify right side
    18,959.04x = 477,118,154.65
  5. Step 5: Solve for x
    x = 477,118,154.65/18,959.04
  6. Step 6: Final answer
    x = 25,165.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.