Home / 14,091.60-19,445.06-8,425.22

Finding the Fourth Proportional to 14,091.60, 19,445.06 and 8,425.22

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Solution

The fourth proportional to 14,091.60, 19,445.06 and 8,425.22 is: 11,625.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.60 : 19,445.06 = 8,425.22 : x
  2. Step 2: Convert to fraction form
    14,091.60/19,445.06 = 8,425.22/x
  3. Step 3: Cross multiply
    14,091.60x = 19,445.06 × 8,425.22
  4. Step 4: Simplify right side
    14,091.60x = 163,828,769.06
  5. Step 5: Solve for x
    x = 163,828,769.06/14,091.60
  6. Step 6: Final answer
    x = 11,625.99

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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.