Home / 23,923.32-33,015.08-13,312.72

Finding the Fourth Proportional to 23,923.32, 33,015.08 and 13,312.72

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Solution

The fourth proportional to 23,923.32, 33,015.08 and 13,312.72 is: 18,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,923.32 : 33,015.08 = 13,312.72 : x
  2. Step 2: Convert to fraction form
    23,923.32/33,015.08 = 13,312.72/x
  3. Step 3: Cross multiply
    23,923.32x = 33,015.08 × 13,312.72
  4. Step 4: Simplify right side
    23,923.32x = 439,520,515.82
  5. Step 5: Solve for x
    x = 439,520,515.82/23,923.32
  6. Step 6: Final answer
    x = 18,372.05

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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.