Home / 23,671.81-32,659.47-15,715.57

Finding the Fourth Proportional to 23,671.81, 32,659.47 and 15,715.57

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Solution

The fourth proportional to 23,671.81, 32,659.47 and 15,715.57 is: 21,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,671.81 : 32,659.47 = 15,715.57 : x
  2. Step 2: Convert to fraction form
    23,671.81/32,659.47 = 15,715.57/x
  3. Step 3: Cross multiply
    23,671.81x = 32,659.47 × 15,715.57
  4. Step 4: Simplify right side
    23,671.81x = 513,262,186.95
  5. Step 5: Solve for x
    x = 513,262,186.95/23,671.81
  6. Step 6: Final answer
    x = 21,682.42

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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.