Home / 14,090.40-21,127.69-9,653.08

Finding the Fourth Proportional to 14,090.40, 21,127.69 and 9,653.08

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Solution

The fourth proportional to 14,090.40, 21,127.69 and 9,653.08 is: 14,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.40 : 21,127.69 = 9,653.08 : x
  2. Step 2: Convert to fraction form
    14,090.40/21,127.69 = 9,653.08/x
  3. Step 3: Cross multiply
    14,090.40x = 21,127.69 × 9,653.08
  4. Step 4: Simplify right side
    14,090.40x = 203,947,127.88
  5. Step 5: Solve for x
    x = 203,947,127.88/14,090.40
  6. Step 6: Final answer
    x = 14,474.19

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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.