Home / 22,298.93-30,775.66-13,803.78

Finding the Fourth Proportional to 22,298.93, 30,775.66 and 13,803.78

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Solution

The fourth proportional to 22,298.93, 30,775.66 and 13,803.78 is: 19,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,298.93 : 30,775.66 = 13,803.78 : x
  2. Step 2: Convert to fraction form
    22,298.93/30,775.66 = 13,803.78/x
  3. Step 3: Cross multiply
    22,298.93x = 30,775.66 × 13,803.78
  4. Step 4: Simplify right side
    22,298.93x = 424,820,439.99
  5. Step 5: Solve for x
    x = 424,820,439.99/22,298.93
  6. Step 6: Final answer
    x = 19,051.16

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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.