Home / 23,240.16-32,070.20-12,629.75

Finding the Fourth Proportional to 23,240.16, 32,070.20 and 12,629.75

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Solution

The fourth proportional to 23,240.16, 32,070.20 and 12,629.75 is: 17,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,240.16 : 32,070.20 = 12,629.75 : x
  2. Step 2: Convert to fraction form
    23,240.16/32,070.20 = 12,629.75/x
  3. Step 3: Cross multiply
    23,240.16x = 32,070.20 × 12,629.75
  4. Step 4: Simplify right side
    23,240.16x = 405,038,384.95
  5. Step 5: Solve for x
    x = 405,038,384.95/23,240.16
  6. Step 6: Final answer
    x = 17,428.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.