Home / 14,409.20-21,614.28-4,020.08

Finding the Fourth Proportional to 14,409.20, 21,614.28 and 4,020.08

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Solution

The fourth proportional to 14,409.20, 21,614.28 and 4,020.08 is: 6,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.20 : 21,614.28 = 4,020.08 : x
  2. Step 2: Convert to fraction form
    14,409.20/21,614.28 = 4,020.08/x
  3. Step 3: Cross multiply
    14,409.20x = 21,614.28 × 4,020.08
  4. Step 4: Simplify right side
    14,409.20x = 86,891,134.74
  5. Step 5: Solve for x
    x = 86,891,134.74/14,409.20
  6. Step 6: Final answer
    x = 6,030.25

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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.