Home / 21,924.32-30,255.52-11,852.76

Finding the Fourth Proportional to 21,924.32, 30,255.52 and 11,852.76

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Solution

The fourth proportional to 21,924.32, 30,255.52 and 11,852.76 is: 16,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.32 : 30,255.52 = 11,852.76 : x
  2. Step 2: Convert to fraction form
    21,924.32/30,255.52 = 11,852.76/x
  3. Step 3: Cross multiply
    21,924.32x = 30,255.52 × 11,852.76
  4. Step 4: Simplify right side
    21,924.32x = 358,611,417.24
  5. Step 5: Solve for x
    x = 358,611,417.24/21,924.32
  6. Step 6: Final answer
    x = 16,356.79

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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.