Home / 22,247.48-30,698.55-12,814.22

Finding the Fourth Proportional to 22,247.48, 30,698.55 and 12,814.22

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Solution

The fourth proportional to 22,247.48, 30,698.55 and 12,814.22 is: 17,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.48 : 30,698.55 = 12,814.22 : x
  2. Step 2: Convert to fraction form
    22,247.48/30,698.55 = 12,814.22/x
  3. Step 3: Cross multiply
    22,247.48x = 30,698.55 × 12,814.22
  4. Step 4: Simplify right side
    22,247.48x = 393,378,050.13
  5. Step 5: Solve for x
    x = 393,378,050.13/22,247.48
  6. Step 6: Final answer
    x = 17,681.91

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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.