Home / 19,339.75-26,688.86-10,956.25

Finding the Fourth Proportional to 19,339.75, 26,688.86 and 10,956.25

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Solution

The fourth proportional to 19,339.75, 26,688.86 and 10,956.25 is: 15,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.75 : 26,688.86 = 10,956.25 : x
  2. Step 2: Convert to fraction form
    19,339.75/26,688.86 = 10,956.25/x
  3. Step 3: Cross multiply
    19,339.75x = 26,688.86 × 10,956.25
  4. Step 4: Simplify right side
    19,339.75x = 292,409,822.38
  5. Step 5: Solve for x
    x = 292,409,822.38/19,339.75
  6. Step 6: Final answer
    x = 15,119.63

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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.