Home / 19,932.21-27,506.10-10,980.54

Finding the Fourth Proportional to 19,932.21, 27,506.10 and 10,980.54

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Solution

The fourth proportional to 19,932.21, 27,506.10 and 10,980.54 is: 15,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.21 : 27,506.10 = 10,980.54 : x
  2. Step 2: Convert to fraction form
    19,932.21/27,506.10 = 10,980.54/x
  3. Step 3: Cross multiply
    19,932.21x = 27,506.10 × 10,980.54
  4. Step 4: Simplify right side
    19,932.21x = 302,031,831.29
  5. Step 5: Solve for x
    x = 302,031,831.29/19,932.21
  6. Step 6: Final answer
    x = 15,152.95

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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.