Home / 19,784.16-27,296.72-11,283.18

Finding the Fourth Proportional to 19,784.16, 27,296.72 and 11,283.18

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Solution

The fourth proportional to 19,784.16, 27,296.72 and 11,283.18 is: 15,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.16 : 27,296.72 = 11,283.18 : x
  2. Step 2: Convert to fraction form
    19,784.16/27,296.72 = 11,283.18/x
  3. Step 3: Cross multiply
    19,784.16x = 27,296.72 × 11,283.18
  4. Step 4: Simplify right side
    19,784.16x = 307,993,805.17
  5. Step 5: Solve for x
    x = 307,993,805.17/19,784.16
  6. Step 6: Final answer
    x = 15,567.70

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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.