Home / 14,166.24-19,549.08-7,879.20

Finding the Fourth Proportional to 14,166.24, 19,549.08 and 7,879.20

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Solution

The fourth proportional to 14,166.24, 19,549.08 and 7,879.20 is: 10,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.24 : 19,549.08 = 7,879.20 : x
  2. Step 2: Convert to fraction form
    14,166.24/19,549.08 = 7,879.20/x
  3. Step 3: Cross multiply
    14,166.24x = 19,549.08 × 7,879.20
  4. Step 4: Simplify right side
    14,166.24x = 154,031,111.14
  5. Step 5: Solve for x
    x = 154,031,111.14/14,166.24
  6. Step 6: Final answer
    x = 10,873.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.