Home / 19,880.06-27,435.21-10,927.91

Finding the Fourth Proportional to 19,880.06, 27,435.21 and 10,927.91

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Solution

The fourth proportional to 19,880.06, 27,435.21 and 10,927.91 is: 15,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.06 : 27,435.21 = 10,927.91 : x
  2. Step 2: Convert to fraction form
    19,880.06/27,435.21 = 10,927.91/x
  3. Step 3: Cross multiply
    19,880.06x = 27,435.21 × 10,927.91
  4. Step 4: Simplify right side
    19,880.06x = 299,809,505.71
  5. Step 5: Solve for x
    x = 299,809,505.71/19,880.06
  6. Step 6: Final answer
    x = 15,080.92

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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.