Home / 19,155.02-26,437.57-11,988.27

Finding the Fourth Proportional to 19,155.02, 26,437.57 and 11,988.27

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Solution

The fourth proportional to 19,155.02, 26,437.57 and 11,988.27 is: 16,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.02 : 26,437.57 = 11,988.27 : x
  2. Step 2: Convert to fraction form
    19,155.02/26,437.57 = 11,988.27/x
  3. Step 3: Cross multiply
    19,155.02x = 26,437.57 × 11,988.27
  4. Step 4: Simplify right side
    19,155.02x = 316,940,742.29
  5. Step 5: Solve for x
    x = 316,940,742.29/19,155.02
  6. Step 6: Final answer
    x = 16,546.09

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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.