Home / 14,090.81-19,446.62-7,803.18

Finding the Fourth Proportional to 14,090.81, 19,446.62 and 7,803.18

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Solution

The fourth proportional to 14,090.81, 19,446.62 and 7,803.18 is: 10,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.81 : 19,446.62 = 7,803.18 : x
  2. Step 2: Convert to fraction form
    14,090.81/19,446.62 = 7,803.18/x
  3. Step 3: Cross multiply
    14,090.81x = 19,446.62 × 7,803.18
  4. Step 4: Simplify right side
    14,090.81x = 151,745,437.24
  5. Step 5: Solve for x
    x = 151,745,437.24/14,090.81
  6. Step 6: Final answer
    x = 10,769.11

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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.