Home / 19,827.30-27,361.71-10,875.18

Finding the Fourth Proportional to 19,827.30, 27,361.71 and 10,875.18

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Solution

The fourth proportional to 19,827.30, 27,361.71 and 10,875.18 is: 15,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.30 : 27,361.71 = 10,875.18 : x
  2. Step 2: Convert to fraction form
    19,827.30/27,361.71 = 10,875.18/x
  3. Step 3: Cross multiply
    19,827.30x = 27,361.71 × 10,875.18
  4. Step 4: Simplify right side
    19,827.30x = 297,563,521.36
  5. Step 5: Solve for x
    x = 297,563,521.36/19,827.30
  6. Step 6: Final answer
    x = 15,007.77

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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.