Home / 23,105.15-34,490.57-20,302.64

Finding the Fourth Proportional to 23,105.15, 34,490.57 and 20,302.64

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Solution

The fourth proportional to 23,105.15, 34,490.57 and 20,302.64 is: 30,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,105.15 : 34,490.57 = 20,302.64 : x
  2. Step 2: Convert to fraction form
    23,105.15/34,490.57 = 20,302.64/x
  3. Step 3: Cross multiply
    23,105.15x = 34,490.57 × 20,302.64
  4. Step 4: Simplify right side
    23,105.15x = 700,249,626.10
  5. Step 5: Solve for x
    x = 700,249,626.10/23,105.15
  6. Step 6: Final answer
    x = 30,307.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.