Home / 15,464.48-21,346.80-10,163.84

Finding the Fourth Proportional to 15,464.48, 21,346.80 and 10,163.84

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Solution

The fourth proportional to 15,464.48, 21,346.80 and 10,163.84 is: 14,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464.48 : 21,346.80 = 10,163.84 : x
  2. Step 2: Convert to fraction form
    15,464.48/21,346.80 = 10,163.84/x
  3. Step 3: Cross multiply
    15,464.48x = 21,346.80 × 10,163.84
  4. Step 4: Simplify right side
    15,464.48x = 216,965,459.71
  5. Step 5: Solve for x
    x = 216,965,459.71/15,464.48
  6. Step 6: Final answer
    x = 14,029.92

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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.