Home / 18,680.63-25,828.47-17,854.43

Finding the Fourth Proportional to 18,680.63, 25,828.47 and 17,854.43

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Solution

The fourth proportional to 18,680.63, 25,828.47 and 17,854.43 is: 24,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680.63 : 25,828.47 = 17,854.43 : x
  2. Step 2: Convert to fraction form
    18,680.63/25,828.47 = 17,854.43/x
  3. Step 3: Cross multiply
    18,680.63x = 25,828.47 × 17,854.43
  4. Step 4: Simplify right side
    18,680.63x = 461,152,480.48
  5. Step 5: Solve for x
    x = 461,152,480.48/18,680.63
  6. Step 6: Final answer
    x = 24,686.14

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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.