Home / 19,436.55-29,159.07-6,288.72

Finding the Fourth Proportional to 19,436.55, 29,159.07 and 6,288.72

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Solution

The fourth proportional to 19,436.55, 29,159.07 and 6,288.72 is: 9,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.55 : 29,159.07 = 6,288.72 : x
  2. Step 2: Convert to fraction form
    19,436.55/29,159.07 = 6,288.72/x
  3. Step 3: Cross multiply
    19,436.55x = 29,159.07 × 6,288.72
  4. Step 4: Simplify right side
    19,436.55x = 183,373,226.69
  5. Step 5: Solve for x
    x = 183,373,226.69/19,436.55
  6. Step 6: Final answer
    x = 9,434.45

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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.