Home / 16,970.51-23,442.13-13,040.75

Finding the Fourth Proportional to 16,970.51, 23,442.13 and 13,040.75

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Solution

The fourth proportional to 16,970.51, 23,442.13 and 13,040.75 is: 18,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.51 : 23,442.13 = 13,040.75 : x
  2. Step 2: Convert to fraction form
    16,970.51/23,442.13 = 13,040.75/x
  3. Step 3: Cross multiply
    16,970.51x = 23,442.13 × 13,040.75
  4. Step 4: Simplify right side
    16,970.51x = 305,702,936.52
  5. Step 5: Solve for x
    x = 305,702,936.52/16,970.51
  6. Step 6: Final answer
    x = 18,013.77

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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.