Home / 21,545.88-32,312.54-8,395.32

Finding the Fourth Proportional to 21,545.88, 32,312.54 and 8,395.32

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Solution

The fourth proportional to 21,545.88, 32,312.54 and 8,395.32 is: 12,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.88 : 32,312.54 = 8,395.32 : x
  2. Step 2: Convert to fraction form
    21,545.88/32,312.54 = 8,395.32/x
  3. Step 3: Cross multiply
    21,545.88x = 32,312.54 × 8,395.32
  4. Step 4: Simplify right side
    21,545.88x = 271,274,113.31
  5. Step 5: Solve for x
    x = 271,274,113.31/21,545.88
  6. Step 6: Final answer
    x = 12,590.53

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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.