Home / 14,947.23-20,626.40-9,281.86

Finding the Fourth Proportional to 14,947.23, 20,626.40 and 9,281.86

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Solution

The fourth proportional to 14,947.23, 20,626.40 and 9,281.86 is: 12,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.23 : 20,626.40 = 9,281.86 : x
  2. Step 2: Convert to fraction form
    14,947.23/20,626.40 = 9,281.86/x
  3. Step 3: Cross multiply
    14,947.23x = 20,626.40 × 9,281.86
  4. Step 4: Simplify right side
    14,947.23x = 191,451,302.64
  5. Step 5: Solve for x
    x = 191,451,302.64/14,947.23
  6. Step 6: Final answer
    x = 12,808.48

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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.