Home / 22,655.50-31,266.81-13,095.80

Finding the Fourth Proportional to 22,655.50, 31,266.81 and 13,095.80

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Solution

The fourth proportional to 22,655.50, 31,266.81 and 13,095.80 is: 18,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.50 : 31,266.81 = 13,095.80 : x
  2. Step 2: Convert to fraction form
    22,655.50/31,266.81 = 13,095.80/x
  3. Step 3: Cross multiply
    22,655.50x = 31,266.81 × 13,095.80
  4. Step 4: Simplify right side
    22,655.50x = 409,463,939.25
  5. Step 5: Solve for x
    x = 409,463,939.25/22,655.50
  6. Step 6: Final answer
    x = 18,073.49

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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.