Home / 25,881.24-38,830.06-9,240.90

Finding the Fourth Proportional to 25,881.24, 38,830.06 and 9,240.90

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Solution

The fourth proportional to 25,881.24, 38,830.06 and 9,240.90 is: 13,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.24 : 38,830.06 = 9,240.90 : x
  2. Step 2: Convert to fraction form
    25,881.24/38,830.06 = 9,240.90/x
  3. Step 3: Cross multiply
    25,881.24x = 38,830.06 × 9,240.90
  4. Step 4: Simplify right side
    25,881.24x = 358,824,701.45
  5. Step 5: Solve for x
    x = 358,824,701.45/25,881.24
  6. Step 6: Final answer
    x = 13,864.28

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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.