Home / 19,341.90-29,014.20-7,653.60

Finding the Fourth Proportional to 19,341.90, 29,014.20 and 7,653.60

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Solution

The fourth proportional to 19,341.90, 29,014.20 and 7,653.60 is: 11,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.90 : 29,014.20 = 7,653.60 : x
  2. Step 2: Convert to fraction form
    19,341.90/29,014.20 = 7,653.60/x
  3. Step 3: Cross multiply
    19,341.90x = 29,014.20 × 7,653.60
  4. Step 4: Simplify right side
    19,341.90x = 222,063,081.12
  5. Step 5: Solve for x
    x = 222,063,081.12/19,341.90
  6. Step 6: Final answer
    x = 11,480.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.