Home / 14,816.49-20,455.16-9,795.30

Finding the Fourth Proportional to 14,816.49, 20,455.16 and 9,795.30

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Solution

The fourth proportional to 14,816.49, 20,455.16 and 9,795.30 is: 13,523.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.49 : 20,455.16 = 9,795.30 : x
  2. Step 2: Convert to fraction form
    14,816.49/20,455.16 = 9,795.30/x
  3. Step 3: Cross multiply
    14,816.49x = 20,455.16 × 9,795.30
  4. Step 4: Simplify right side
    14,816.49x = 200,364,428.75
  5. Step 5: Solve for x
    x = 200,364,428.75/14,816.49
  6. Step 6: Final answer
    x = 13,523.07

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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.