Home / 23,840.91-32,899.80-13,085.78

Finding the Fourth Proportional to 23,840.91, 32,899.80 and 13,085.78

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Solution

The fourth proportional to 23,840.91, 32,899.80 and 13,085.78 is: 18,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,840.91 : 32,899.80 = 13,085.78 : x
  2. Step 2: Convert to fraction form
    23,840.91/32,899.80 = 13,085.78/x
  3. Step 3: Cross multiply
    23,840.91x = 32,899.80 × 13,085.78
  4. Step 4: Simplify right side
    23,840.91x = 430,519,411.54
  5. Step 5: Solve for x
    x = 430,519,411.54/23,840.91
  6. Step 6: Final answer
    x = 18,058.01

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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.