Home / 23,143.13-31,913.63-19,797.02

Finding the Fourth Proportional to 23,143.13, 31,913.63 and 19,797.02

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Solution

The fourth proportional to 23,143.13, 31,913.63 and 19,797.02 is: 27,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.13 : 31,913.63 = 19,797.02 : x
  2. Step 2: Convert to fraction form
    23,143.13/31,913.63 = 19,797.02/x
  3. Step 3: Cross multiply
    23,143.13x = 31,913.63 × 19,797.02
  4. Step 4: Simplify right side
    23,143.13x = 631,794,672.40
  5. Step 5: Solve for x
    x = 631,794,672.40/23,143.13
  6. Step 6: Final answer
    x = 27,299.45

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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.