Home / 23,108.36-31,889.55-13,038.94

Finding the Fourth Proportional to 23,108.36, 31,889.55 and 13,038.94

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Solution

The fourth proportional to 23,108.36, 31,889.55 and 13,038.94 is: 17,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.36 : 31,889.55 = 13,038.94 : x
  2. Step 2: Convert to fraction form
    23,108.36/31,889.55 = 13,038.94/x
  3. Step 3: Cross multiply
    23,108.36x = 31,889.55 × 13,038.94
  4. Step 4: Simplify right side
    23,108.36x = 415,805,929.08
  5. Step 5: Solve for x
    x = 415,805,929.08/23,108.36
  6. Step 6: Final answer
    x = 17,993.74

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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.