Home / 19,152.54-26,430.42-11,193.15

Finding the Fourth Proportional to 19,152.54, 26,430.42 and 11,193.15

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Solution

The fourth proportional to 19,152.54, 26,430.42 and 11,193.15 is: 15,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.54 : 26,430.42 = 11,193.15 : x
  2. Step 2: Convert to fraction form
    19,152.54/26,430.42 = 11,193.15/x
  3. Step 3: Cross multiply
    19,152.54x = 26,430.42 × 11,193.15
  4. Step 4: Simplify right side
    19,152.54x = 295,839,655.62
  5. Step 5: Solve for x
    x = 295,839,655.62/19,152.54
  6. Step 6: Final answer
    x = 15,446.50

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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.