Home / 25,743.29-38,590.16-9,936.68

Finding the Fourth Proportional to 25,743.29, 38,590.16 and 9,936.68

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Solution

The fourth proportional to 25,743.29, 38,590.16 and 9,936.68 is: 14,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.29 : 38,590.16 = 9,936.68 : x
  2. Step 2: Convert to fraction form
    25,743.29/38,590.16 = 9,936.68/x
  3. Step 3: Cross multiply
    25,743.29x = 38,590.16 × 9,936.68
  4. Step 4: Simplify right side
    25,743.29x = 383,457,828.43
  5. Step 5: Solve for x
    x = 383,457,828.43/25,743.29
  6. Step 6: Final answer
    x = 14,895.45

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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.