Home / 13,599.33-18,752.09-9,400.29

Finding the Fourth Proportional to 13,599.33, 18,752.09 and 9,400.29

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Solution

The fourth proportional to 13,599.33, 18,752.09 and 9,400.29 is: 12,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.33 : 18,752.09 = 9,400.29 : x
  2. Step 2: Convert to fraction form
    13,599.33/18,752.09 = 9,400.29/x
  3. Step 3: Cross multiply
    13,599.33x = 18,752.09 × 9,400.29
  4. Step 4: Simplify right side
    13,599.33x = 176,275,037.10
  5. Step 5: Solve for x
    x = 176,275,037.10/13,599.33
  6. Step 6: Final answer
    x = 12,962.04

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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.