Home / 22,955.28-31,673.48-15,009.18

Finding the Fourth Proportional to 22,955.28, 31,673.48 and 15,009.18

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Solution

The fourth proportional to 22,955.28, 31,673.48 and 15,009.18 is: 20,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,955.28 : 31,673.48 = 15,009.18 : x
  2. Step 2: Convert to fraction form
    22,955.28/31,673.48 = 15,009.18/x
  3. Step 3: Cross multiply
    22,955.28x = 31,673.48 × 15,009.18
  4. Step 4: Simplify right side
    22,955.28x = 475,392,887.50
  5. Step 5: Solve for x
    x = 475,392,887.50/22,955.28
  6. Step 6: Final answer
    x = 20,709.52

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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.