Home / 14,023.72-19,345.80-9,175.60

Finding the Fourth Proportional to 14,023.72, 19,345.80 and 9,175.60

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Solution

The fourth proportional to 14,023.72, 19,345.80 and 9,175.60 is: 12,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.72 : 19,345.80 = 9,175.60 : x
  2. Step 2: Convert to fraction form
    14,023.72/19,345.80 = 9,175.60/x
  3. Step 3: Cross multiply
    14,023.72x = 19,345.80 × 9,175.60
  4. Step 4: Simplify right side
    14,023.72x = 177,509,322.48
  5. Step 5: Solve for x
    x = 177,509,322.48/14,023.72
  6. Step 6: Final answer
    x = 12,657.79

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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.