Home / 15,543.64-23,310.59-6,769.72

Finding the Fourth Proportional to 15,543.64, 23,310.59 and 6,769.72

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Solution

The fourth proportional to 15,543.64, 23,310.59 and 6,769.72 is: 10,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.64 : 23,310.59 = 6,769.72 : x
  2. Step 2: Convert to fraction form
    15,543.64/23,310.59 = 6,769.72/x
  3. Step 3: Cross multiply
    15,543.64x = 23,310.59 × 6,769.72
  4. Step 4: Simplify right side
    15,543.64x = 157,806,050.78
  5. Step 5: Solve for x
    x = 157,806,050.78/15,543.64
  6. Step 6: Final answer
    x = 10,152.45

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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.