Home / 19,076.45-26,328.58-11,117.14

Finding the Fourth Proportional to 19,076.45, 26,328.58 and 11,117.14

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Solution

The fourth proportional to 19,076.45, 26,328.58 and 11,117.14 is: 15,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.45 : 26,328.58 = 11,117.14 : x
  2. Step 2: Convert to fraction form
    19,076.45/26,328.58 = 11,117.14/x
  3. Step 3: Cross multiply
    19,076.45x = 26,328.58 × 11,117.14
  4. Step 4: Simplify right side
    19,076.45x = 292,698,355.77
  5. Step 5: Solve for x
    x = 292,698,355.77/19,076.45
  6. Step 6: Final answer
    x = 15,343.44

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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.