Home / 23,406.12-32,281.20-16,689.60

Finding the Fourth Proportional to 23,406.12, 32,281.20 and 16,689.60

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Solution

The fourth proportional to 23,406.12, 32,281.20 and 16,689.60 is: 23,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,406.12 : 32,281.20 = 16,689.60 : x
  2. Step 2: Convert to fraction form
    23,406.12/32,281.20 = 16,689.60/x
  3. Step 3: Cross multiply
    23,406.12x = 32,281.20 × 16,689.60
  4. Step 4: Simplify right side
    23,406.12x = 538,760,315.52
  5. Step 5: Solve for x
    x = 538,760,315.52/23,406.12
  6. Step 6: Final answer
    x = 23,017.93

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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.