Home / 15,521.63-23,287.91-6,755.40

Finding the Fourth Proportional to 15,521.63, 23,287.91 and 6,755.40

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Solution

The fourth proportional to 15,521.63, 23,287.91 and 6,755.40 is: 10,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.63 : 23,287.91 = 6,755.40 : x
  2. Step 2: Convert to fraction form
    15,521.63/23,287.91 = 6,755.40/x
  3. Step 3: Cross multiply
    15,521.63x = 23,287.91 × 6,755.40
  4. Step 4: Simplify right side
    15,521.63x = 157,319,113.44
  5. Step 5: Solve for x
    x = 157,319,113.44/15,521.63
  6. Step 6: Final answer
    x = 10,135.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.