Home / 15,051.90-22,599.72-11,115.30

Finding the Fourth Proportional to 15,051.90, 22,599.72 and 11,115.30

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Solution

The fourth proportional to 15,051.90, 22,599.72 and 11,115.30 is: 16,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.90 : 22,599.72 = 11,115.30 : x
  2. Step 2: Convert to fraction form
    15,051.90/22,599.72 = 11,115.30/x
  3. Step 3: Cross multiply
    15,051.90x = 22,599.72 × 11,115.30
  4. Step 4: Simplify right side
    15,051.90x = 251,202,667.72
  5. Step 5: Solve for x
    x = 251,202,667.72/15,051.90
  6. Step 6: Final answer
    x = 16,689.10

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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.