Home / 23,486.81-32,411.79-12,876.22

Finding the Fourth Proportional to 23,486.81, 32,411.79 and 12,876.22

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Solution

The fourth proportional to 23,486.81, 32,411.79 and 12,876.22 is: 17,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,486.81 : 32,411.79 = 12,876.22 : x
  2. Step 2: Convert to fraction form
    23,486.81/32,411.79 = 12,876.22/x
  3. Step 3: Cross multiply
    23,486.81x = 32,411.79 × 12,876.22
  4. Step 4: Simplify right side
    23,486.81x = 417,341,176.57
  5. Step 5: Solve for x
    x = 417,341,176.57/23,486.81
  6. Step 6: Final answer
    x = 17,769.17

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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.