Home / 23,970.12-33,077.34-13,758.79

Finding the Fourth Proportional to 23,970.12, 33,077.34 and 13,758.79

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Solution

The fourth proportional to 23,970.12, 33,077.34 and 13,758.79 is: 18,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,970.12 : 33,077.34 = 13,758.79 : x
  2. Step 2: Convert to fraction form
    23,970.12/33,077.34 = 13,758.79/x
  3. Step 3: Cross multiply
    23,970.12x = 33,077.34 × 13,758.79
  4. Step 4: Simplify right side
    23,970.12x = 455,104,291.91
  5. Step 5: Solve for x
    x = 455,104,291.91/23,970.12
  6. Step 6: Final answer
    x = 18,986.32

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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.