Home / 19,953.65-27,536.21-11,001.47

Finding the Fourth Proportional to 19,953.65, 27,536.21 and 11,001.47

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Solution

The fourth proportional to 19,953.65, 27,536.21 and 11,001.47 is: 15,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.65 : 27,536.21 = 11,001.47 : x
  2. Step 2: Convert to fraction form
    19,953.65/27,536.21 = 11,001.47/x
  3. Step 3: Cross multiply
    19,953.65x = 27,536.21 × 11,001.47
  4. Step 4: Simplify right side
    19,953.65x = 302,938,595.54
  5. Step 5: Solve for x
    x = 302,938,595.54/19,953.65
  6. Step 6: Final answer
    x = 15,182.12

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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.