Home / 17,760.48-26,482.74-16,989.54

Finding the Fourth Proportional to 17,760.48, 26,482.74 and 16,989.54

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Solution

The fourth proportional to 17,760.48, 26,482.74 and 16,989.54 is: 25,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.48 : 26,482.74 = 16,989.54 : x
  2. Step 2: Convert to fraction form
    17,760.48/26,482.74 = 16,989.54/x
  3. Step 3: Cross multiply
    17,760.48x = 26,482.74 × 16,989.54
  4. Step 4: Simplify right side
    17,760.48x = 449,929,570.54
  5. Step 5: Solve for x
    x = 449,929,570.54/17,760.48
  6. Step 6: Final answer
    x = 25,333.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.