Home / 25,881.23-38,830.05-9,240.91

Finding the Fourth Proportional to 25,881.23, 38,830.05 and 9,240.91

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Solution

The fourth proportional to 25,881.23, 38,830.05 and 9,240.91 is: 13,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.23 : 38,830.05 = 9,240.91 : x
  2. Step 2: Convert to fraction form
    25,881.23/38,830.05 = 9,240.91/x
  3. Step 3: Cross multiply
    25,881.23x = 38,830.05 × 9,240.91
  4. Step 4: Simplify right side
    25,881.23x = 358,824,997.35
  5. Step 5: Solve for x
    x = 358,824,997.35/25,881.23
  6. Step 6: Final answer
    x = 13,864.29

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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.