Home / 19,388.54-26,754.06-10,888.94

Finding the Fourth Proportional to 19,388.54, 26,754.06 and 10,888.94

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Solution

The fourth proportional to 19,388.54, 26,754.06 and 10,888.94 is: 15,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.54 : 26,754.06 = 10,888.94 : x
  2. Step 2: Convert to fraction form
    19,388.54/26,754.06 = 10,888.94/x
  3. Step 3: Cross multiply
    19,388.54x = 26,754.06 × 10,888.94
  4. Step 4: Simplify right side
    19,388.54x = 291,323,354.10
  5. Step 5: Solve for x
    x = 291,323,354.10/19,388.54
  6. Step 6: Final answer
    x = 15,025.54

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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.