Home / 19,518.16-29,278.84-5,668.24

Finding the Fourth Proportional to 19,518.16, 29,278.84 and 5,668.24

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Solution

The fourth proportional to 19,518.16, 29,278.84 and 5,668.24 is: 8,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.16 : 29,278.84 = 5,668.24 : x
  2. Step 2: Convert to fraction form
    19,518.16/29,278.84 = 5,668.24/x
  3. Step 3: Cross multiply
    19,518.16x = 29,278.84 × 5,668.24
  4. Step 4: Simplify right side
    19,518.16x = 165,959,492.04
  5. Step 5: Solve for x
    x = 165,959,492.04/19,518.16
  6. Step 6: Final answer
    x = 8,502.82

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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.