Home / 19,534.48-29,300.80-6,385.12

Finding the Fourth Proportional to 19,534.48, 29,300.80 and 6,385.12

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Solution

The fourth proportional to 19,534.48, 29,300.80 and 6,385.12 is: 9,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534.48 : 29,300.80 = 6,385.12 : x
  2. Step 2: Convert to fraction form
    19,534.48/29,300.80 = 6,385.12/x
  3. Step 3: Cross multiply
    19,534.48x = 29,300.80 × 6,385.12
  4. Step 4: Simplify right side
    19,534.48x = 187,089,124.10
  5. Step 5: Solve for x
    x = 187,089,124.10/19,534.48
  6. Step 6: Final answer
    x = 9,577.38

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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.