Home / 23,328.78-32,193.28-12,718.50

Finding the Fourth Proportional to 23,328.78, 32,193.28 and 12,718.50

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Solution

The fourth proportional to 23,328.78, 32,193.28 and 12,718.50 is: 17,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,328.78 : 32,193.28 = 12,718.50 : x
  2. Step 2: Convert to fraction form
    23,328.78/32,193.28 = 12,718.50/x
  3. Step 3: Cross multiply
    23,328.78x = 32,193.28 × 12,718.50
  4. Step 4: Simplify right side
    23,328.78x = 409,450,231.68
  5. Step 5: Solve for x
    x = 409,450,231.68/23,328.78
  6. Step 6: Final answer
    x = 17,551.29

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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.