Home / 19,333.80-26,686.98-11,375.64

Finding the Fourth Proportional to 19,333.80, 26,686.98 and 11,375.64

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Solution

The fourth proportional to 19,333.80, 26,686.98 and 11,375.64 is: 15,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.80 : 26,686.98 = 11,375.64 : x
  2. Step 2: Convert to fraction form
    19,333.80/26,686.98 = 11,375.64/x
  3. Step 3: Cross multiply
    19,333.80x = 26,686.98 × 11,375.64
  4. Step 4: Simplify right side
    19,333.80x = 303,581,477.17
  5. Step 5: Solve for x
    x = 303,581,477.17/19,333.80
  6. Step 6: Final answer
    x = 15,702.11

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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.