Home / 17,123.60-23,642.21-11,088.43

Finding the Fourth Proportional to 17,123.60, 23,642.21 and 11,088.43

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Solution

The fourth proportional to 17,123.60, 23,642.21 and 11,088.43 is: 15,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,123.60 : 23,642.21 = 11,088.43 : x
  2. Step 2: Convert to fraction form
    17,123.60/23,642.21 = 11,088.43/x
  3. Step 3: Cross multiply
    17,123.60x = 23,642.21 × 11,088.43
  4. Step 4: Simplify right side
    17,123.60x = 262,154,990.63
  5. Step 5: Solve for x
    x = 262,154,990.63/17,123.60
  6. Step 6: Final answer
    x = 15,309.57

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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.