Home / 22,142.24-30,556.08-12,070.40

Finding the Fourth Proportional to 22,142.24, 30,556.08 and 12,070.40

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Solution

The fourth proportional to 22,142.24, 30,556.08 and 12,070.40 is: 16,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142.24 : 30,556.08 = 12,070.40 : x
  2. Step 2: Convert to fraction form
    22,142.24/30,556.08 = 12,070.40/x
  3. Step 3: Cross multiply
    22,142.24x = 30,556.08 × 12,070.40
  4. Step 4: Simplify right side
    22,142.24x = 368,824,108.03
  5. Step 5: Solve for x
    x = 368,824,108.03/22,142.24
  6. Step 6: Final answer
    x = 16,657.04

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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.