Home / 14,442.86-19,947.60-9,718.94

Finding the Fourth Proportional to 14,442.86, 19,947.60 and 9,718.94

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Solution

The fourth proportional to 14,442.86, 19,947.60 and 9,718.94 is: 13,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.86 : 19,947.60 = 9,718.94 : x
  2. Step 2: Convert to fraction form
    14,442.86/19,947.60 = 9,718.94/x
  3. Step 3: Cross multiply
    14,442.86x = 19,947.60 × 9,718.94
  4. Step 4: Simplify right side
    14,442.86x = 193,869,527.54
  5. Step 5: Solve for x
    x = 193,869,527.54/14,442.86
  6. Step 6: Final answer
    x = 13,423.21

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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.