Home / 19,520.51-26,937.81-10,906.76

Finding the Fourth Proportional to 19,520.51, 26,937.81 and 10,906.76

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Solution

The fourth proportional to 19,520.51, 26,937.81 and 10,906.76 is: 15,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.51 : 26,937.81 = 10,906.76 : x
  2. Step 2: Convert to fraction form
    19,520.51/26,937.81 = 10,906.76/x
  3. Step 3: Cross multiply
    19,520.51x = 26,937.81 × 10,906.76
  4. Step 4: Simplify right side
    19,520.51x = 293,804,174.06
  5. Step 5: Solve for x
    x = 293,804,174.06/19,520.51
  6. Step 6: Final answer
    x = 15,051.05

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Double scale
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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.