Home / 14,847.72-22,275.69-13,215.68

Finding the Fourth Proportional to 14,847.72, 22,275.69 and 13,215.68

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Solution

The fourth proportional to 14,847.72, 22,275.69 and 13,215.68 is: 19,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.72 : 22,275.69 = 13,215.68 : x
  2. Step 2: Convert to fraction form
    14,847.72/22,275.69 = 13,215.68/x
  3. Step 3: Cross multiply
    14,847.72x = 22,275.69 × 13,215.68
  4. Step 4: Simplify right side
    14,847.72x = 294,388,229.88
  5. Step 5: Solve for x
    x = 294,388,229.88/14,847.72
  6. Step 6: Final answer
    x = 19,827.16

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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.