Home / 19,389.73-29,084.72-10,619.86

Finding the Fourth Proportional to 19,389.73, 29,084.72 and 10,619.86

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Solution

The fourth proportional to 19,389.73, 29,084.72 and 10,619.86 is: 15,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.73 : 29,084.72 = 10,619.86 : x
  2. Step 2: Convert to fraction form
    19,389.73/29,084.72 = 10,619.86/x
  3. Step 3: Cross multiply
    19,389.73x = 29,084.72 × 10,619.86
  4. Step 4: Simplify right side
    19,389.73x = 308,875,528.73
  5. Step 5: Solve for x
    x = 308,875,528.73/19,389.73
  6. Step 6: Final answer
    x = 15,929.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.