Home / 15,181.35-22,758.13-5,315.23

Finding the Fourth Proportional to 15,181.35, 22,758.13 and 5,315.23

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Solution

The fourth proportional to 15,181.35, 22,758.13 and 5,315.23 is: 7,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.35 : 22,758.13 = 5,315.23 : x
  2. Step 2: Convert to fraction form
    15,181.35/22,758.13 = 5,315.23/x
  3. Step 3: Cross multiply
    15,181.35x = 22,758.13 × 5,315.23
  4. Step 4: Simplify right side
    15,181.35x = 120,964,695.32
  5. Step 5: Solve for x
    x = 120,964,695.32/15,181.35
  6. Step 6: Final answer
    x = 7,967.98

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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.