Home / 23,924.61-33,030.72-15,429.78

Finding the Fourth Proportional to 23,924.61, 33,030.72 and 15,429.78

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Solution

The fourth proportional to 23,924.61, 33,030.72 and 15,429.78 is: 21,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,924.61 : 33,030.72 = 15,429.78 : x
  2. Step 2: Convert to fraction form
    23,924.61/33,030.72 = 15,429.78/x
  3. Step 3: Cross multiply
    23,924.61x = 33,030.72 × 15,429.78
  4. Step 4: Simplify right side
    23,924.61x = 509,656,742.84
  5. Step 5: Solve for x
    x = 509,656,742.84/23,924.61
  6. Step 6: Final answer
    x = 21,302.61

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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.