Home / 22,228.65-30,674.21-13,276.08

Finding the Fourth Proportional to 22,228.65, 30,674.21 and 13,276.08

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Solution

The fourth proportional to 22,228.65, 30,674.21 and 13,276.08 is: 18,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.65 : 30,674.21 = 13,276.08 : x
  2. Step 2: Convert to fraction form
    22,228.65/30,674.21 = 13,276.08/x
  3. Step 3: Cross multiply
    22,228.65x = 30,674.21 × 13,276.08
  4. Step 4: Simplify right side
    22,228.65x = 407,233,199.52
  5. Step 5: Solve for x
    x = 407,233,199.52/22,228.65
  6. Step 6: Final answer
    x = 18,320.19

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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.