Home / 19,929.06-27,501.28-11,425.27

Finding the Fourth Proportional to 19,929.06, 27,501.28 and 11,425.27

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Solution

The fourth proportional to 19,929.06, 27,501.28 and 11,425.27 is: 15,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.06 : 27,501.28 = 11,425.27 : x
  2. Step 2: Convert to fraction form
    19,929.06/27,501.28 = 11,425.27/x
  3. Step 3: Cross multiply
    19,929.06x = 27,501.28 × 11,425.27
  4. Step 4: Simplify right side
    19,929.06x = 314,209,549.35
  5. Step 5: Solve for x
    x = 314,209,549.35/19,929.06
  6. Step 6: Final answer
    x = 15,766.40

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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.