Home / 17,420.47-24,039.70-9,867.50

Finding the Fourth Proportional to 17,420.47, 24,039.70 and 9,867.50

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Solution

The fourth proportional to 17,420.47, 24,039.70 and 9,867.50 is: 13,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.47 : 24,039.70 = 9,867.50 : x
  2. Step 2: Convert to fraction form
    17,420.47/24,039.70 = 9,867.50/x
  3. Step 3: Cross multiply
    17,420.47x = 24,039.70 × 9,867.50
  4. Step 4: Simplify right side
    17,420.47x = 237,211,808.15
  5. Step 5: Solve for x
    x = 237,211,808.15/17,420.47
  6. Step 6: Final answer
    x = 13,616.84

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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.