Home / 19,938.06-27,514.39-10,985.36

Finding the Fourth Proportional to 19,938.06, 27,514.39 and 10,985.36

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Solution

The fourth proportional to 19,938.06, 27,514.39 and 10,985.36 is: 15,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.06 : 27,514.39 = 10,985.36 : x
  2. Step 2: Convert to fraction form
    19,938.06/27,514.39 = 10,985.36/x
  3. Step 3: Cross multiply
    19,938.06x = 27,514.39 × 10,985.36
  4. Step 4: Simplify right side
    19,938.06x = 302,255,479.33
  5. Step 5: Solve for x
    x = 302,255,479.33/19,938.06
  6. Step 6: Final answer
    x = 15,159.72

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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.