Home / 25,923.12-38,682.40-23,130.56

Finding the Fourth Proportional to 25,923.12, 38,682.40 and 23,130.56

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Solution

The fourth proportional to 25,923.12, 38,682.40 and 23,130.56 is: 34,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,923.12 : 38,682.40 = 23,130.56 : x
  2. Step 2: Convert to fraction form
    25,923.12/38,682.40 = 23,130.56/x
  3. Step 3: Cross multiply
    25,923.12x = 38,682.40 × 23,130.56
  4. Step 4: Simplify right side
    25,923.12x = 894,745,574.14
  5. Step 5: Solve for x
    x = 894,745,574.14/25,923.12
  6. Step 6: Final answer
    x = 34,515.35

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.