Home / 19,989.66-27,586.08-11,036.63

Finding the Fourth Proportional to 19,989.66, 27,586.08 and 11,036.63

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Solution

The fourth proportional to 19,989.66, 27,586.08 and 11,036.63 is: 15,230.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989.66 : 27,586.08 = 11,036.63 : x
  2. Step 2: Convert to fraction form
    19,989.66/27,586.08 = 11,036.63/x
  3. Step 3: Cross multiply
    19,989.66x = 27,586.08 × 11,036.63
  4. Step 4: Simplify right side
    19,989.66x = 304,457,358.11
  5. Step 5: Solve for x
    x = 304,457,358.11/19,989.66
  6. Step 6: Final answer
    x = 15,230.74

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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.