Home / 19,129.05-26,390.53-11,061.22

Finding the Fourth Proportional to 19,129.05, 26,390.53 and 11,061.22

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Solution

The fourth proportional to 19,129.05, 26,390.53 and 11,061.22 is: 15,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.05 : 26,390.53 = 11,061.22 : x
  2. Step 2: Convert to fraction form
    19,129.05/26,390.53 = 11,061.22/x
  3. Step 3: Cross multiply
    19,129.05x = 26,390.53 × 11,061.22
  4. Step 4: Simplify right side
    19,129.05x = 291,911,458.25
  5. Step 5: Solve for x
    x = 291,911,458.25/19,129.05
  6. Step 6: Final answer
    x = 15,260.11

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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.