Home / 19,621.52-27,077.92-10,669.04

Finding the Fourth Proportional to 19,621.52, 27,077.92 and 10,669.04

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Solution

The fourth proportional to 19,621.52, 27,077.92 and 10,669.04 is: 14,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.52 : 27,077.92 = 10,669.04 : x
  2. Step 2: Convert to fraction form
    19,621.52/27,077.92 = 10,669.04/x
  3. Step 3: Cross multiply
    19,621.52x = 27,077.92 × 10,669.04
  4. Step 4: Simplify right side
    19,621.52x = 288,895,411.60
  5. Step 5: Solve for x
    x = 288,895,411.60/19,621.52
  6. Step 6: Final answer
    x = 14,723.40

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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.