Home / 15,756.95-23,613.15-8,740.06

Finding the Fourth Proportional to 15,756.95, 23,613.15 and 8,740.06

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Solution

The fourth proportional to 15,756.95, 23,613.15 and 8,740.06 is: 13,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.95 : 23,613.15 = 8,740.06 : x
  2. Step 2: Convert to fraction form
    15,756.95/23,613.15 = 8,740.06/x
  3. Step 3: Cross multiply
    15,756.95x = 23,613.15 × 8,740.06
  4. Step 4: Simplify right side
    15,756.95x = 206,380,347.79
  5. Step 5: Solve for x
    x = 206,380,347.79/15,756.95
  6. Step 6: Final answer
    x = 13,097.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.