Home / 23,643.12-32,621.16-13,434.04

Finding the Fourth Proportional to 23,643.12, 32,621.16 and 13,434.04

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Solution

The fourth proportional to 23,643.12, 32,621.16 and 13,434.04 is: 18,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,643.12 : 32,621.16 = 13,434.04 : x
  2. Step 2: Convert to fraction form
    23,643.12/32,621.16 = 13,434.04/x
  3. Step 3: Cross multiply
    23,643.12x = 32,621.16 × 13,434.04
  4. Step 4: Simplify right side
    23,643.12x = 438,233,968.29
  5. Step 5: Solve for x
    x = 438,233,968.29/23,643.12
  6. Step 6: Final answer
    x = 18,535.37

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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.