Home / 19,688.16-27,111.60-17,591.52

Finding the Fourth Proportional to 19,688.16, 27,111.60 and 17,591.52

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Solution

The fourth proportional to 19,688.16, 27,111.60 and 17,591.52 is: 24,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.16 : 27,111.60 = 17,591.52 : x
  2. Step 2: Convert to fraction form
    19,688.16/27,111.60 = 17,591.52/x
  3. Step 3: Cross multiply
    19,688.16x = 27,111.60 × 17,591.52
  4. Step 4: Simplify right side
    19,688.16x = 476,934,253.63
  5. Step 5: Solve for x
    x = 476,934,253.63/19,688.16
  6. Step 6: Final answer
    x = 24,224.42

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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.