Home / 23,931.45-33,024.51-13,320.86

Finding the Fourth Proportional to 23,931.45, 33,024.51 and 13,320.86

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Solution

The fourth proportional to 23,931.45, 33,024.51 and 13,320.86 is: 18,382.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,931.45 : 33,024.51 = 13,320.86 : x
  2. Step 2: Convert to fraction form
    23,931.45/33,024.51 = 13,320.86/x
  3. Step 3: Cross multiply
    23,931.45x = 33,024.51 × 13,320.86
  4. Step 4: Simplify right side
    23,931.45x = 439,914,709.16
  5. Step 5: Solve for x
    x = 439,914,709.16/23,931.45
  6. Step 6: Final answer
    x = 18,382.28

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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.