Home / 27,556.08-38,030.37-15,618.14

Finding the Fourth Proportional to 27,556.08, 38,030.37 and 15,618.14

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Solution

The fourth proportional to 27,556.08, 38,030.37 and 15,618.14 is: 21,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.08 : 38,030.37 = 15,618.14 : x
  2. Step 2: Convert to fraction form
    27,556.08/38,030.37 = 15,618.14/x
  3. Step 3: Cross multiply
    27,556.08x = 38,030.37 × 15,618.14
  4. Step 4: Simplify right side
    27,556.08x = 593,963,642.91
  5. Step 5: Solve for x
    x = 593,963,642.91/27,556.08
  6. Step 6: Final answer
    x = 21,554.72

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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.