Home / 19,012.32-28,381.32-16,063.20

Finding the Fourth Proportional to 19,012.32, 28,381.32 and 16,063.20

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Solution

The fourth proportional to 19,012.32, 28,381.32 and 16,063.20 is: 23,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.32 : 28,381.32 = 16,063.20 : x
  2. Step 2: Convert to fraction form
    19,012.32/28,381.32 = 16,063.20/x
  3. Step 3: Cross multiply
    19,012.32x = 28,381.32 × 16,063.20
  4. Step 4: Simplify right side
    19,012.32x = 455,894,819.42
  5. Step 5: Solve for x
    x = 455,894,819.42/19,012.32
  6. Step 6: Final answer
    x = 23,978.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.