Home / 18,215.12-27,322.86-5,068.46

Finding the Fourth Proportional to 18,215.12, 27,322.86 and 5,068.46

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Solution

The fourth proportional to 18,215.12, 27,322.86 and 5,068.46 is: 7,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.12 : 27,322.86 = 5,068.46 : x
  2. Step 2: Convert to fraction form
    18,215.12/27,322.86 = 5,068.46/x
  3. Step 3: Cross multiply
    18,215.12x = 27,322.86 × 5,068.46
  4. Step 4: Simplify right side
    18,215.12x = 138,484,823.00
  5. Step 5: Solve for x
    x = 138,484,823.00/18,215.12
  6. Step 6: Final answer
    x = 7,602.74

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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.