Home / 19,132.64-26,403.60-11,580.33

Finding the Fourth Proportional to 19,132.64, 26,403.60 and 11,580.33

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Solution

The fourth proportional to 19,132.64, 26,403.60 and 11,580.33 is: 15,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.64 : 26,403.60 = 11,580.33 : x
  2. Step 2: Convert to fraction form
    19,132.64/26,403.60 = 11,580.33/x
  3. Step 3: Cross multiply
    19,132.64x = 26,403.60 × 11,580.33
  4. Step 4: Simplify right side
    19,132.64x = 305,762,401.19
  5. Step 5: Solve for x
    x = 305,762,401.19/19,132.64
  6. Step 6: Final answer
    x = 15,981.20

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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.