Home / 14,928.10-20,598.48-8,639.26

Finding the Fourth Proportional to 14,928.10, 20,598.48 and 8,639.26

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Solution

The fourth proportional to 14,928.10, 20,598.48 and 8,639.26 is: 11,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.10 : 20,598.48 = 8,639.26 : x
  2. Step 2: Convert to fraction form
    14,928.10/20,598.48 = 8,639.26/x
  3. Step 3: Cross multiply
    14,928.10x = 20,598.48 × 8,639.26
  4. Step 4: Simplify right side
    14,928.10x = 177,955,624.32
  5. Step 5: Solve for x
    x = 177,955,624.32/14,928.10
  6. Step 6: Final answer
    x = 11,920.85

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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.