Home / 13,329.10-20,005.80-11,482.30

Finding the Fourth Proportional to 13,329.10, 20,005.80 and 11,482.30

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Solution

The fourth proportional to 13,329.10, 20,005.80 and 11,482.30 is: 17,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.10 : 20,005.80 = 11,482.30 : x
  2. Step 2: Convert to fraction form
    13,329.10/20,005.80 = 11,482.30/x
  3. Step 3: Cross multiply
    13,329.10x = 20,005.80 × 11,482.30
  4. Step 4: Simplify right side
    13,329.10x = 229,712,597.34
  5. Step 5: Solve for x
    x = 229,712,597.34/13,329.10
  6. Step 6: Final answer
    x = 17,233.92

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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.