Home / 22,948.13-31,667.14-12,875.65

Finding the Fourth Proportional to 22,948.13, 31,667.14 and 12,875.65

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Solution

The fourth proportional to 22,948.13, 31,667.14 and 12,875.65 is: 17,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,948.13 : 31,667.14 = 12,875.65 : x
  2. Step 2: Convert to fraction form
    22,948.13/31,667.14 = 12,875.65/x
  3. Step 3: Cross multiply
    22,948.13x = 31,667.14 × 12,875.65
  4. Step 4: Simplify right side
    22,948.13x = 407,735,011.14
  5. Step 5: Solve for x
    x = 407,735,011.14/22,948.13
  6. Step 6: Final answer
    x = 17,767.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.