Home / 22,666.81-31,271.23-13,104.94

Finding the Fourth Proportional to 22,666.81, 31,271.23 and 13,104.94

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Solution

The fourth proportional to 22,666.81, 31,271.23 and 13,104.94 is: 18,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.81 : 31,271.23 = 13,104.94 : x
  2. Step 2: Convert to fraction form
    22,666.81/31,271.23 = 13,104.94/x
  3. Step 3: Cross multiply
    22,666.81x = 31,271.23 × 13,104.94
  4. Step 4: Simplify right side
    22,666.81x = 409,807,592.88
  5. Step 5: Solve for x
    x = 409,807,592.88/22,666.81
  6. Step 6: Final answer
    x = 18,079.63

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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.