Home / 19,923.80-27,465.35-12,752.66

Finding the Fourth Proportional to 19,923.80, 27,465.35 and 12,752.66

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Solution

The fourth proportional to 19,923.80, 27,465.35 and 12,752.66 is: 17,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.80 : 27,465.35 = 12,752.66 : x
  2. Step 2: Convert to fraction form
    19,923.80/27,465.35 = 12,752.66/x
  3. Step 3: Cross multiply
    19,923.80x = 27,465.35 × 12,752.66
  4. Step 4: Simplify right side
    19,923.80x = 350,256,275.23
  5. Step 5: Solve for x
    x = 350,256,275.23/19,923.80
  6. Step 6: Final answer
    x = 17,579.80

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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.