Home / 14,845.04-20,490.90-9,813.74

Finding the Fourth Proportional to 14,845.04, 20,490.90 and 9,813.74

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Solution

The fourth proportional to 14,845.04, 20,490.90 and 9,813.74 is: 13,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.04 : 20,490.90 = 9,813.74 : x
  2. Step 2: Convert to fraction form
    14,845.04/20,490.90 = 9,813.74/x
  3. Step 3: Cross multiply
    14,845.04x = 20,490.90 × 9,813.74
  4. Step 4: Simplify right side
    14,845.04x = 201,092,364.97
  5. Step 5: Solve for x
    x = 201,092,364.97/14,845.04
  6. Step 6: Final answer
    x = 13,546.10

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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.