Home / 25,690.91-38,537.16-6,970.88

Finding the Fourth Proportional to 25,690.91, 38,537.16 and 6,970.88

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Solution

The fourth proportional to 25,690.91, 38,537.16 and 6,970.88 is: 10,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.91 : 38,537.16 = 6,970.88 : x
  2. Step 2: Convert to fraction form
    25,690.91/38,537.16 = 6,970.88/x
  3. Step 3: Cross multiply
    25,690.91x = 38,537.16 × 6,970.88
  4. Step 4: Simplify right side
    25,690.91x = 268,637,725.22
  5. Step 5: Solve for x
    x = 268,637,725.22/25,690.91
  6. Step 6: Final answer
    x = 10,456.53

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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.