Home / 19,503.68-26,908.06-11,115.32

Finding the Fourth Proportional to 19,503.68, 26,908.06 and 11,115.32

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Solution

The fourth proportional to 19,503.68, 26,908.06 and 11,115.32 is: 15,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.68 : 26,908.06 = 11,115.32 : x
  2. Step 2: Convert to fraction form
    19,503.68/26,908.06 = 11,115.32/x
  3. Step 3: Cross multiply
    19,503.68x = 26,908.06 × 11,115.32
  4. Step 4: Simplify right side
    19,503.68x = 299,091,697.48
  5. Step 5: Solve for x
    x = 299,091,697.48/19,503.68
  6. Step 6: Final answer
    x = 15,335.14

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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.