Home / 19,228.28-26,537.46-11,160.21

Finding the Fourth Proportional to 19,228.28, 26,537.46 and 11,160.21

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Solution

The fourth proportional to 19,228.28, 26,537.46 and 11,160.21 is: 15,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.28 : 26,537.46 = 11,160.21 : x
  2. Step 2: Convert to fraction form
    19,228.28/26,537.46 = 11,160.21/x
  3. Step 3: Cross multiply
    19,228.28x = 26,537.46 × 11,160.21
  4. Step 4: Simplify right side
    19,228.28x = 296,163,570.67
  5. Step 5: Solve for x
    x = 296,163,570.67/19,228.28
  6. Step 6: Final answer
    x = 15,402.50

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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.