Home / 20,686.04-31,024.32-5,894.63

Finding the Fourth Proportional to 20,686.04, 31,024.32 and 5,894.63

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Solution

The fourth proportional to 20,686.04, 31,024.32 and 5,894.63 is: 8,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686.04 : 31,024.32 = 5,894.63 : x
  2. Step 2: Convert to fraction form
    20,686.04/31,024.32 = 5,894.63/x
  3. Step 3: Cross multiply
    20,686.04x = 31,024.32 × 5,894.63
  4. Step 4: Simplify right side
    20,686.04x = 182,876,887.40
  5. Step 5: Solve for x
    x = 182,876,887.40/20,686.04
  6. Step 6: Final answer
    x = 8,840.59

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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.