Home / 16,574.85-22,881.75-12,789.51

Finding the Fourth Proportional to 16,574.85, 22,881.75 and 12,789.51

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Solution

The fourth proportional to 16,574.85, 22,881.75 and 12,789.51 is: 17,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,574.85 : 22,881.75 = 12,789.51 : x
  2. Step 2: Convert to fraction form
    16,574.85/22,881.75 = 12,789.51/x
  3. Step 3: Cross multiply
    16,574.85x = 22,881.75 × 12,789.51
  4. Step 4: Simplify right side
    16,574.85x = 292,646,370.44
  5. Step 5: Solve for x
    x = 292,646,370.44/16,574.85
  6. Step 6: Final answer
    x = 17,656.05

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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.