Home / 19,436.43-29,157.03-6,957.78

Finding the Fourth Proportional to 19,436.43, 29,157.03 and 6,957.78

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Solution

The fourth proportional to 19,436.43, 29,157.03 and 6,957.78 is: 10,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.43 : 29,157.03 = 6,957.78 : x
  2. Step 2: Convert to fraction form
    19,436.43/29,157.03 = 6,957.78/x
  3. Step 3: Cross multiply
    19,436.43x = 29,157.03 × 6,957.78
  4. Step 4: Simplify right side
    19,436.43x = 202,868,200.19
  5. Step 5: Solve for x
    x = 202,868,200.19/19,436.43
  6. Step 6: Final answer
    x = 10,437.52

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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.