Home / 17,699.95-24,420.99-10,985.86

Finding the Fourth Proportional to 17,699.95, 24,420.99 and 10,985.86

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Solution

The fourth proportional to 17,699.95, 24,420.99 and 10,985.86 is: 15,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.95 : 24,420.99 = 10,985.86 : x
  2. Step 2: Convert to fraction form
    17,699.95/24,420.99 = 10,985.86/x
  3. Step 3: Cross multiply
    17,699.95x = 24,420.99 × 10,985.86
  4. Step 4: Simplify right side
    17,699.95x = 268,285,577.20
  5. Step 5: Solve for x
    x = 268,285,577.20/17,699.95
  6. Step 6: Final answer
    x = 15,157.42

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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.