Home / 17,133.60-25,681.20-8,810.40

Finding the Fourth Proportional to 17,133.60, 25,681.20 and 8,810.40

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Solution

The fourth proportional to 17,133.60, 25,681.20 and 8,810.40 is: 13,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.60 : 25,681.20 = 8,810.40 : x
  2. Step 2: Convert to fraction form
    17,133.60/25,681.20 = 8,810.40/x
  3. Step 3: Cross multiply
    17,133.60x = 25,681.20 × 8,810.40
  4. Step 4: Simplify right side
    17,133.60x = 226,261,644.48
  5. Step 5: Solve for x
    x = 226,261,644.48/17,133.60
  6. Step 6: Final answer
    x = 13,205.73

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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.