Home / 17,122.59-25,686.63-5,434.92

Finding the Fourth Proportional to 17,122.59, 25,686.63 and 5,434.92

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Solution

The fourth proportional to 17,122.59, 25,686.63 and 5,434.92 is: 8,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.59 : 25,686.63 = 5,434.92 : x
  2. Step 2: Convert to fraction form
    17,122.59/25,686.63 = 5,434.92/x
  3. Step 3: Cross multiply
    17,122.59x = 25,686.63 × 5,434.92
  4. Step 4: Simplify right side
    17,122.59x = 139,604,779.12
  5. Step 5: Solve for x
    x = 139,604,779.12/17,122.59
  6. Step 6: Final answer
    x = 8,153.25

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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.