Home / 17,928.86-26,856.30-10,510.79

Finding the Fourth Proportional to 17,928.86, 26,856.30 and 10,510.79

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Solution

The fourth proportional to 17,928.86, 26,856.30 and 10,510.79 is: 15,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.86 : 26,856.30 = 10,510.79 : x
  2. Step 2: Convert to fraction form
    17,928.86/26,856.30 = 10,510.79/x
  3. Step 3: Cross multiply
    17,928.86x = 26,856.30 × 10,510.79
  4. Step 4: Simplify right side
    17,928.86x = 282,280,929.48
  5. Step 5: Solve for x
    x = 282,280,929.48/17,928.86
  6. Step 6: Final answer
    x = 15,744.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.