Home / 23,438.79-32,345.61-12,683.66

Finding the Fourth Proportional to 23,438.79, 32,345.61 and 12,683.66

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Solution

The fourth proportional to 23,438.79, 32,345.61 and 12,683.66 is: 17,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.79 : 32,345.61 = 12,683.66 : x
  2. Step 2: Convert to fraction form
    23,438.79/32,345.61 = 12,683.66/x
  3. Step 3: Cross multiply
    23,438.79x = 32,345.61 × 12,683.66
  4. Step 4: Simplify right side
    23,438.79x = 410,260,800.60
  5. Step 5: Solve for x
    x = 410,260,800.60/23,438.79
  6. Step 6: Final answer
    x = 17,503.50

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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.