Home / 47,082.55-70,633.54-13,803.70

Finding the Fourth Proportional to 47,082.55, 70,633.54 and 13,803.70

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Solution

The fourth proportional to 47,082.55, 70,633.54 and 13,803.70 is: 20,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,082.55 : 70,633.54 = 13,803.70 : x
  2. Step 2: Convert to fraction form
    47,082.55/70,633.54 = 13,803.70/x
  3. Step 3: Cross multiply
    47,082.55x = 70,633.54 × 13,803.70
  4. Step 4: Simplify right side
    47,082.55x = 975,003,808.42
  5. Step 5: Solve for x
    x = 975,003,808.42/47,082.55
  6. Step 6: Final answer
    x = 20,708.39

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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.