Home / 19,532.48-26,966.32-12,829.79

Finding the Fourth Proportional to 19,532.48, 26,966.32 and 12,829.79

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Solution

The fourth proportional to 19,532.48, 26,966.32 and 12,829.79 is: 17,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.48 : 26,966.32 = 12,829.79 : x
  2. Step 2: Convert to fraction form
    19,532.48/26,966.32 = 12,829.79/x
  3. Step 3: Cross multiply
    19,532.48x = 26,966.32 × 12,829.79
  4. Step 4: Simplify right side
    19,532.48x = 345,972,258.01
  5. Step 5: Solve for x
    x = 345,972,258.01/19,532.48
  6. Step 6: Final answer
    x = 17,712.67

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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.