Home / 18,643.23-25,727.33-10,145.06

Finding the Fourth Proportional to 18,643.23, 25,727.33 and 10,145.06

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Solution

The fourth proportional to 18,643.23, 25,727.33 and 10,145.06 is: 14,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643.23 : 25,727.33 = 10,145.06 : x
  2. Step 2: Convert to fraction form
    18,643.23/25,727.33 = 10,145.06/x
  3. Step 3: Cross multiply
    18,643.23x = 25,727.33 × 10,145.06
  4. Step 4: Simplify right side
    18,643.23x = 261,005,127.13
  5. Step 5: Solve for x
    x = 261,005,127.13/18,643.23
  6. Step 6: Final answer
    x = 14,000.00

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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.