Home / 23,058.08-31,820.28-13,122.08

Finding the Fourth Proportional to 23,058.08, 31,820.28 and 13,122.08

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Solution

The fourth proportional to 23,058.08, 31,820.28 and 13,122.08 is: 18,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,058.08 : 31,820.28 = 13,122.08 : x
  2. Step 2: Convert to fraction form
    23,058.08/31,820.28 = 13,122.08/x
  3. Step 3: Cross multiply
    23,058.08x = 31,820.28 × 13,122.08
  4. Step 4: Simplify right side
    23,058.08x = 417,548,259.78
  5. Step 5: Solve for x
    x = 417,548,259.78/23,058.08
  6. Step 6: Final answer
    x = 18,108.54

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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.