Home / 22,423.35-30,955.35-15,744.51

Finding the Fourth Proportional to 22,423.35, 30,955.35 and 15,744.51

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Solution

The fourth proportional to 22,423.35, 30,955.35 and 15,744.51 is: 21,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.35 : 30,955.35 = 15,744.51 : x
  2. Step 2: Convert to fraction form
    22,423.35/30,955.35 = 15,744.51/x
  3. Step 3: Cross multiply
    22,423.35x = 30,955.35 × 15,744.51
  4. Step 4: Simplify right side
    22,423.35x = 487,376,817.63
  5. Step 5: Solve for x
    x = 487,376,817.63/22,423.35
  6. Step 6: Final answer
    x = 21,735.24

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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.