Home / 15,685.80-23,516.38-10,740.48

Finding the Fourth Proportional to 15,685.80, 23,516.38 and 10,740.48

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Solution

The fourth proportional to 15,685.80, 23,516.38 and 10,740.48 is: 16,102.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,685.80 : 23,516.38 = 10,740.48 : x
  2. Step 2: Convert to fraction form
    15,685.80/23,516.38 = 10,740.48/x
  3. Step 3: Cross multiply
    15,685.80x = 23,516.38 × 10,740.48
  4. Step 4: Simplify right side
    15,685.80x = 252,577,209.06
  5. Step 5: Solve for x
    x = 252,577,209.06/15,685.80
  6. Step 6: Final answer
    x = 16,102.28

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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.