Home / 22,011.66-30,342.51-13,498.02

Finding the Fourth Proportional to 22,011.66, 30,342.51 and 13,498.02

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Solution

The fourth proportional to 22,011.66, 30,342.51 and 13,498.02 is: 18,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.66 : 30,342.51 = 13,498.02 : x
  2. Step 2: Convert to fraction form
    22,011.66/30,342.51 = 13,498.02/x
  3. Step 3: Cross multiply
    22,011.66x = 30,342.51 × 13,498.02
  4. Step 4: Simplify right side
    22,011.66x = 409,563,806.83
  5. Step 5: Solve for x
    x = 409,563,806.83/22,011.66
  6. Step 6: Final answer
    x = 18,606.68

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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.