Home / 18,693.81-25,796.88-10,628.36

Finding the Fourth Proportional to 18,693.81, 25,796.88 and 10,628.36

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Solution

The fourth proportional to 18,693.81, 25,796.88 and 10,628.36 is: 14,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.81 : 25,796.88 = 10,628.36 : x
  2. Step 2: Convert to fraction form
    18,693.81/25,796.88 = 10,628.36/x
  3. Step 3: Cross multiply
    18,693.81x = 25,796.88 × 10,628.36
  4. Step 4: Simplify right side
    18,693.81x = 274,178,398.53
  5. Step 5: Solve for x
    x = 274,178,398.53/18,693.81
  6. Step 6: Final answer
    x = 14,666.80

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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.