Home / 15,770.43-23,655.13-6,407.68

Finding the Fourth Proportional to 15,770.43, 23,655.13 and 6,407.68

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Solution

The fourth proportional to 15,770.43, 23,655.13 and 6,407.68 is: 9,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.43 : 23,655.13 = 6,407.68 : x
  2. Step 2: Convert to fraction form
    15,770.43/23,655.13 = 6,407.68/x
  3. Step 3: Cross multiply
    15,770.43x = 23,655.13 × 6,407.68
  4. Step 4: Simplify right side
    15,770.43x = 151,574,353.08
  5. Step 5: Solve for x
    x = 151,574,353.08/15,770.43
  6. Step 6: Final answer
    x = 9,611.30

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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.