Home / 19,880.48-27,433.68-10,927.76

Finding the Fourth Proportional to 19,880.48, 27,433.68 and 10,927.76

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Solution

The fourth proportional to 19,880.48, 27,433.68 and 10,927.76 is: 15,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.48 : 27,433.68 = 10,927.76 : x
  2. Step 2: Convert to fraction form
    19,880.48/27,433.68 = 10,927.76/x
  3. Step 3: Cross multiply
    19,880.48x = 27,433.68 × 10,927.76
  4. Step 4: Simplify right side
    19,880.48x = 299,788,670.96
  5. Step 5: Solve for x
    x = 299,788,670.96/19,880.48
  6. Step 6: Final answer
    x = 15,079.55

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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.