Home / 43,101.35-64,652.10-13,521.46

Finding the Fourth Proportional to 43,101.35, 64,652.10 and 13,521.46

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Solution

The fourth proportional to 43,101.35, 64,652.10 and 13,521.46 is: 20,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101.35 : 64,652.10 = 13,521.46 : x
  2. Step 2: Convert to fraction form
    43,101.35/64,652.10 = 13,521.46/x
  3. Step 3: Cross multiply
    43,101.35x = 64,652.10 × 13,521.46
  4. Step 4: Simplify right side
    43,101.35x = 874,190,393.20
  5. Step 5: Solve for x
    x = 874,190,393.20/43,101.35
  6. Step 6: Final answer
    x = 20,282.20

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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.