Home / 19,156.20-26,430.39-11,200.38

Finding the Fourth Proportional to 19,156.20, 26,430.39 and 11,200.38

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Solution

The fourth proportional to 19,156.20, 26,430.39 and 11,200.38 is: 15,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.20 : 26,430.39 = 11,200.38 : x
  2. Step 2: Convert to fraction form
    19,156.20/26,430.39 = 11,200.38/x
  3. Step 3: Cross multiply
    19,156.20x = 26,430.39 × 11,200.38
  4. Step 4: Simplify right side
    19,156.20x = 296,030,411.55
  5. Step 5: Solve for x
    x = 296,030,411.55/19,156.20
  6. Step 6: Final answer
    x = 15,453.50

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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.