Home / 18,685.08-25,784.28-10,726.56

Finding the Fourth Proportional to 18,685.08, 25,784.28 and 10,726.56

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Solution

The fourth proportional to 18,685.08, 25,784.28 and 10,726.56 is: 14,802.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.08 : 25,784.28 = 10,726.56 : x
  2. Step 2: Convert to fraction form
    18,685.08/25,784.28 = 10,726.56/x
  3. Step 3: Cross multiply
    18,685.08x = 25,784.28 × 10,726.56
  4. Step 4: Simplify right side
    18,685.08x = 276,576,626.48
  5. Step 5: Solve for x
    x = 276,576,626.48/18,685.08
  6. Step 6: Final answer
    x = 14,802.00

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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.