Home / 19,591.85-27,036.67-10,639.28

Finding the Fourth Proportional to 19,591.85, 27,036.67 and 10,639.28

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Solution

The fourth proportional to 19,591.85, 27,036.67 and 10,639.28 is: 14,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.85 : 27,036.67 = 10,639.28 : x
  2. Step 2: Convert to fraction form
    19,591.85/27,036.67 = 10,639.28/x
  3. Step 3: Cross multiply
    19,591.85x = 27,036.67 × 10,639.28
  4. Step 4: Simplify right side
    19,591.85x = 287,650,702.40
  5. Step 5: Solve for x
    x = 287,650,702.40/19,591.85
  6. Step 6: Final answer
    x = 14,682.16

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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.