Home / 16,971.12-23,424.60-9,521.52

Finding the Fourth Proportional to 16,971.12, 23,424.60 and 9,521.52

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Solution

The fourth proportional to 16,971.12, 23,424.60 and 9,521.52 is: 13,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.12 : 23,424.60 = 9,521.52 : x
  2. Step 2: Convert to fraction form
    16,971.12/23,424.60 = 9,521.52/x
  3. Step 3: Cross multiply
    16,971.12x = 23,424.60 × 9,521.52
  4. Step 4: Simplify right side
    16,971.12x = 223,037,797.39
  5. Step 5: Solve for x
    x = 223,037,797.39/16,971.12
  6. Step 6: Final answer
    x = 13,142.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.