Home / 19,649.58-29,458.82-9,783.48

Finding the Fourth Proportional to 19,649.58, 29,458.82 and 9,783.48

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Solution

The fourth proportional to 19,649.58, 29,458.82 and 9,783.48 is: 14,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.58 : 29,458.82 = 9,783.48 : x
  2. Step 2: Convert to fraction form
    19,649.58/29,458.82 = 9,783.48/x
  3. Step 3: Cross multiply
    19,649.58x = 29,458.82 × 9,783.48
  4. Step 4: Simplify right side
    19,649.58x = 288,209,776.29
  5. Step 5: Solve for x
    x = 288,209,776.29/19,649.58
  6. Step 6: Final answer
    x = 14,667.48

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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.