Home / 22,703.04-31,333.95-13,269.78

Finding the Fourth Proportional to 22,703.04, 31,333.95 and 13,269.78

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Solution

The fourth proportional to 22,703.04, 31,333.95 and 13,269.78 is: 18,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.04 : 31,333.95 = 13,269.78 : x
  2. Step 2: Convert to fraction form
    22,703.04/31,333.95 = 13,269.78/x
  3. Step 3: Cross multiply
    22,703.04x = 31,333.95 × 13,269.78
  4. Step 4: Simplify right side
    22,703.04x = 415,794,623.03
  5. Step 5: Solve for x
    x = 415,794,623.03/22,703.04
  6. Step 6: Final answer
    x = 18,314.49

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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.