Home / 23,281.64-32,129.34-12,671.96

Finding the Fourth Proportional to 23,281.64, 32,129.34 and 12,671.96

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Solution

The fourth proportional to 23,281.64, 32,129.34 and 12,671.96 is: 17,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.64 : 32,129.34 = 12,671.96 : x
  2. Step 2: Convert to fraction form
    23,281.64/32,129.34 = 12,671.96/x
  3. Step 3: Cross multiply
    23,281.64x = 32,129.34 × 12,671.96
  4. Step 4: Simplify right side
    23,281.64x = 407,141,711.31
  5. Step 5: Solve for x
    x = 407,141,711.31/23,281.64
  6. Step 6: Final answer
    x = 17,487.67

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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.