Home / 17,688.96-24,402.60-11,403.36

Finding the Fourth Proportional to 17,688.96, 24,402.60 and 11,403.36

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Solution

The fourth proportional to 17,688.96, 24,402.60 and 11,403.36 is: 15,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.96 : 24,402.60 = 11,403.36 : x
  2. Step 2: Convert to fraction form
    17,688.96/24,402.60 = 11,403.36/x
  3. Step 3: Cross multiply
    17,688.96x = 24,402.60 × 11,403.36
  4. Step 4: Simplify right side
    17,688.96x = 278,271,632.74
  5. Step 5: Solve for x
    x = 278,271,632.74/17,688.96
  6. Step 6: Final answer
    x = 15,731.37

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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.