Home / 23,828.71-32,887.57-13,221.76

Finding the Fourth Proportional to 23,828.71, 32,887.57 and 13,221.76

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Solution

The fourth proportional to 23,828.71, 32,887.57 and 13,221.76 is: 18,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,828.71 : 32,887.57 = 13,221.76 : x
  2. Step 2: Convert to fraction form
    23,828.71/32,887.57 = 13,221.76/x
  3. Step 3: Cross multiply
    23,828.71x = 32,887.57 × 13,221.76
  4. Step 4: Simplify right side
    23,828.71x = 434,831,491.41
  5. Step 5: Solve for x
    x = 434,831,491.41/23,828.71
  6. Step 6: Final answer
    x = 18,248.22

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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.