Home / 16,981.52-23,434.48-9,427.60

Finding the Fourth Proportional to 16,981.52, 23,434.48 and 9,427.60

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Solution

The fourth proportional to 16,981.52, 23,434.48 and 9,427.60 is: 13,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.52 : 23,434.48 = 9,427.60 : x
  2. Step 2: Convert to fraction form
    16,981.52/23,434.48 = 9,427.60/x
  3. Step 3: Cross multiply
    16,981.52x = 23,434.48 × 9,427.60
  4. Step 4: Simplify right side
    16,981.52x = 220,930,903.65
  5. Step 5: Solve for x
    x = 220,930,903.65/16,981.52
  6. Step 6: Final answer
    x = 13,010.08

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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.