Home / 19,034.64-28,500.12-14,803.20

Finding the Fourth Proportional to 19,034.64, 28,500.12 and 14,803.20

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Solution

The fourth proportional to 19,034.64, 28,500.12 and 14,803.20 is: 22,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,034.64 : 28,500.12 = 14,803.20 : x
  2. Step 2: Convert to fraction form
    19,034.64/28,500.12 = 14,803.20/x
  3. Step 3: Cross multiply
    19,034.64x = 28,500.12 × 14,803.20
  4. Step 4: Simplify right side
    19,034.64x = 421,892,976.38
  5. Step 5: Solve for x
    x = 421,892,976.38/19,034.64
  6. Step 6: Final answer
    x = 22,164.48

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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.