Home / 21,755.34-32,633.52-12,328.02

Finding the Fourth Proportional to 21,755.34, 32,633.52 and 12,328.02

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Solution

The fourth proportional to 21,755.34, 32,633.52 and 12,328.02 is: 18,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755.34 : 32,633.52 = 12,328.02 : x
  2. Step 2: Convert to fraction form
    21,755.34/32,633.52 = 12,328.02/x
  3. Step 3: Cross multiply
    21,755.34x = 32,633.52 × 12,328.02
  4. Step 4: Simplify right side
    21,755.34x = 402,306,687.23
  5. Step 5: Solve for x
    x = 402,306,687.23/21,755.34
  6. Step 6: Final answer
    x = 18,492.32

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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.