Home / 19,329.12-29,003.52-7,652.16

Finding the Fourth Proportional to 19,329.12, 29,003.52 and 7,652.16

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Solution

The fourth proportional to 19,329.12, 29,003.52 and 7,652.16 is: 11,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.12 : 29,003.52 = 7,652.16 : x
  2. Step 2: Convert to fraction form
    19,329.12/29,003.52 = 7,652.16/x
  3. Step 3: Cross multiply
    19,329.12x = 29,003.52 × 7,652.16
  4. Step 4: Simplify right side
    19,329.12x = 221,939,575.60
  5. Step 5: Solve for x
    x = 221,939,575.60/19,329.12
  6. Step 6: Final answer
    x = 11,482.14

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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.