Home / 18,316.65-25,280.66-10,765.42

Finding the Fourth Proportional to 18,316.65, 25,280.66 and 10,765.42

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Solution

The fourth proportional to 18,316.65, 25,280.66 and 10,765.42 is: 14,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.65 : 25,280.66 = 10,765.42 : x
  2. Step 2: Convert to fraction form
    18,316.65/25,280.66 = 10,765.42/x
  3. Step 3: Cross multiply
    18,316.65x = 25,280.66 × 10,765.42
  4. Step 4: Simplify right side
    18,316.65x = 272,156,922.78
  5. Step 5: Solve for x
    x = 272,156,922.78/18,316.65
  6. Step 6: Final answer
    x = 14,858.44

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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.