Home / 23,671.68-32,643.84-21,953.76

Finding the Fourth Proportional to 23,671.68, 32,643.84 and 21,953.76

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Solution

The fourth proportional to 23,671.68, 32,643.84 and 21,953.76 is: 30,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,671.68 : 32,643.84 = 21,953.76 : x
  2. Step 2: Convert to fraction form
    23,671.68/32,643.84 = 21,953.76/x
  3. Step 3: Cross multiply
    23,671.68x = 32,643.84 × 21,953.76
  4. Step 4: Simplify right side
    23,671.68x = 716,655,028.84
  5. Step 5: Solve for x
    x = 716,655,028.84/23,671.68
  6. Step 6: Final answer
    x = 30,274.79

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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.