Home / 26,821.22-37,014.90-15,492.80

Finding the Fourth Proportional to 26,821.22, 37,014.90 and 15,492.80

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Solution

The fourth proportional to 26,821.22, 37,014.90 and 15,492.80 is: 21,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.22 : 37,014.90 = 15,492.80 : x
  2. Step 2: Convert to fraction form
    26,821.22/37,014.90 = 15,492.80/x
  3. Step 3: Cross multiply
    26,821.22x = 37,014.90 × 15,492.80
  4. Step 4: Simplify right side
    26,821.22x = 573,464,442.72
  5. Step 5: Solve for x
    x = 573,464,442.72/26,821.22
  6. Step 6: Final answer
    x = 21,381.00

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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.