Home / 18,929.58-26,122.46-10,432.48

Finding the Fourth Proportional to 18,929.58, 26,122.46 and 10,432.48

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Solution

The fourth proportional to 18,929.58, 26,122.46 and 10,432.48 is: 14,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929.58 : 26,122.46 = 10,432.48 : x
  2. Step 2: Convert to fraction form
    18,929.58/26,122.46 = 10,432.48/x
  3. Step 3: Cross multiply
    18,929.58x = 26,122.46 × 10,432.48
  4. Step 4: Simplify right side
    18,929.58x = 272,522,041.50
  5. Step 5: Solve for x
    x = 272,522,041.50/18,929.58
  6. Step 6: Final answer
    x = 14,396.62

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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.