Home / 14,929.18-20,580.42-10,438.96

Finding the Fourth Proportional to 14,929.18, 20,580.42 and 10,438.96

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Solution

The fourth proportional to 14,929.18, 20,580.42 and 10,438.96 is: 14,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.18 : 20,580.42 = 10,438.96 : x
  2. Step 2: Convert to fraction form
    14,929.18/20,580.42 = 10,438.96/x
  3. Step 3: Cross multiply
    14,929.18x = 20,580.42 × 10,438.96
  4. Step 4: Simplify right side
    14,929.18x = 214,838,181.16
  5. Step 5: Solve for x
    x = 214,838,181.16/14,929.18
  6. Step 6: Final answer
    x = 14,390.49

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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.