Home / 19,386.56-26,746.45-10,998.20

Finding the Fourth Proportional to 19,386.56, 26,746.45 and 10,998.20

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Solution

The fourth proportional to 19,386.56, 26,746.45 and 10,998.20 is: 15,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.56 : 26,746.45 = 10,998.20 : x
  2. Step 2: Convert to fraction form
    19,386.56/26,746.45 = 10,998.20/x
  3. Step 3: Cross multiply
    19,386.56x = 26,746.45 × 10,998.20
  4. Step 4: Simplify right side
    19,386.56x = 294,162,806.39
  5. Step 5: Solve for x
    x = 294,162,806.39/19,386.56
  6. Step 6: Final answer
    x = 15,173.54

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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.