Home / 19,938.04-27,514.46-10,985.50

Finding the Fourth Proportional to 19,938.04, 27,514.46 and 10,985.50

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Solution

The fourth proportional to 19,938.04, 27,514.46 and 10,985.50 is: 15,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.04 : 27,514.46 = 10,985.50 : x
  2. Step 2: Convert to fraction form
    19,938.04/27,514.46 = 10,985.50/x
  3. Step 3: Cross multiply
    19,938.04x = 27,514.46 × 10,985.50
  4. Step 4: Simplify right side
    19,938.04x = 302,260,100.33
  5. Step 5: Solve for x
    x = 302,260,100.33/19,938.04
  6. Step 6: Final answer
    x = 15,159.97

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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.