Home / 19,953.57-27,535.83-11,001.72

Finding the Fourth Proportional to 19,953.57, 27,535.83 and 11,001.72

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Solution

The fourth proportional to 19,953.57, 27,535.83 and 11,001.72 is: 15,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.57 : 27,535.83 = 11,001.72 : x
  2. Step 2: Convert to fraction form
    19,953.57/27,535.83 = 11,001.72/x
  3. Step 3: Cross multiply
    19,953.57x = 27,535.83 × 11,001.72
  4. Step 4: Simplify right side
    19,953.57x = 302,941,491.63
  5. Step 5: Solve for x
    x = 302,941,491.63/19,953.57
  6. Step 6: Final answer
    x = 15,182.32

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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.