Home / 17,264.80-23,812.68-12,788.74

Finding the Fourth Proportional to 17,264.80, 23,812.68 and 12,788.74

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Solution

The fourth proportional to 17,264.80, 23,812.68 and 12,788.74 is: 17,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,264.80 : 23,812.68 = 12,788.74 : x
  2. Step 2: Convert to fraction form
    17,264.80/23,812.68 = 12,788.74/x
  3. Step 3: Cross multiply
    17,264.80x = 23,812.68 × 12,788.74
  4. Step 4: Simplify right side
    17,264.80x = 304,534,173.22
  5. Step 5: Solve for x
    x = 304,534,173.22/17,264.80
  6. Step 6: Final answer
    x = 17,639.02

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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.