Home / 23,360.81-32,237.29-21,479.99

Finding the Fourth Proportional to 23,360.81, 32,237.29 and 21,479.99

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Solution

The fourth proportional to 23,360.81, 32,237.29 and 21,479.99 is: 29,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,360.81 : 32,237.29 = 21,479.99 : x
  2. Step 2: Convert to fraction form
    23,360.81/32,237.29 = 21,479.99/x
  3. Step 3: Cross multiply
    23,360.81x = 32,237.29 × 21,479.99
  4. Step 4: Simplify right side
    23,360.81x = 692,456,532.49
  5. Step 5: Solve for x
    x = 692,456,532.49/23,360.81
  6. Step 6: Final answer
    x = 29,641.81

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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.