Home / 22,636.87-31,239.03-12,565.94

Finding the Fourth Proportional to 22,636.87, 31,239.03 and 12,565.94

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Solution

The fourth proportional to 22,636.87, 31,239.03 and 12,565.94 is: 17,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.87 : 31,239.03 = 12,565.94 : x
  2. Step 2: Convert to fraction form
    22,636.87/31,239.03 = 12,565.94/x
  3. Step 3: Cross multiply
    22,636.87x = 31,239.03 × 12,565.94
  4. Step 4: Simplify right side
    22,636.87x = 392,547,667.57
  5. Step 5: Solve for x
    x = 392,547,667.57/22,636.87
  6. Step 6: Final answer
    x = 17,341.08

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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.