Home / 19,431.05-29,113.76-15,527.25

Finding the Fourth Proportional to 19,431.05, 29,113.76 and 15,527.25

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Solution

The fourth proportional to 19,431.05, 29,113.76 and 15,527.25 is: 23,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.05 : 29,113.76 = 15,527.25 : x
  2. Step 2: Convert to fraction form
    19,431.05/29,113.76 = 15,527.25/x
  3. Step 3: Cross multiply
    19,431.05x = 29,113.76 × 15,527.25
  4. Step 4: Simplify right side
    19,431.05x = 452,056,552.32
  5. Step 5: Solve for x
    x = 452,056,552.32/19,431.05
  6. Step 6: Final answer
    x = 23,264.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.