Home / 14,408.32-21,615.72-10,424.74

Finding the Fourth Proportional to 14,408.32, 21,615.72 and 10,424.74

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Solution

The fourth proportional to 14,408.32, 21,615.72 and 10,424.74 is: 15,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.32 : 21,615.72 = 10,424.74 : x
  2. Step 2: Convert to fraction form
    14,408.32/21,615.72 = 10,424.74/x
  3. Step 3: Cross multiply
    14,408.32x = 21,615.72 × 10,424.74
  4. Step 4: Simplify right side
    14,408.32x = 225,338,260.91
  5. Step 5: Solve for x
    x = 225,338,260.91/14,408.32
  6. Step 6: Final answer
    x = 15,639.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.