Home / 25,434.72-38,152.08-11,574

Finding the Fourth Proportional to 25,434.72, 38,152.08 and 11,574

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Solution

The fourth proportional to 25,434.72, 38,152.08 and 11,574 is: 17,361

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.72 : 38,152.08 = 11,574 : x
  2. Step 2: Convert to fraction form
    25,434.72/38,152.08 = 11,574/x
  3. Step 3: Cross multiply
    25,434.72x = 38,152.08 × 11,574
  4. Step 4: Simplify right side
    25,434.72x = 441,572,173.92
  5. Step 5: Solve for x
    x = 441,572,173.92/25,434.72
  6. Step 6: Final answer
    x = 17,361

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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.