Home / 25,784.66-38,681.85-18,370.73

Finding the Fourth Proportional to 25,784.66, 38,681.85 and 18,370.73

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Solution

The fourth proportional to 25,784.66, 38,681.85 and 18,370.73 is: 27,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.66 : 38,681.85 = 18,370.73 : x
  2. Step 2: Convert to fraction form
    25,784.66/38,681.85 = 18,370.73/x
  3. Step 3: Cross multiply
    25,784.66x = 38,681.85 × 18,370.73
  4. Step 4: Simplify right side
    25,784.66x = 710,613,822.25
  5. Step 5: Solve for x
    x = 710,613,822.25/25,784.66
  6. Step 6: Final answer
    x = 27,559.56

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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.