Home / 19,886.63-27,442.84-10,934.06

Finding the Fourth Proportional to 19,886.63, 27,442.84 and 10,934.06

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Solution

The fourth proportional to 19,886.63, 27,442.84 and 10,934.06 is: 15,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.63 : 27,442.84 = 10,934.06 : x
  2. Step 2: Convert to fraction form
    19,886.63/27,442.84 = 10,934.06/x
  3. Step 3: Cross multiply
    19,886.63x = 27,442.84 × 10,934.06
  4. Step 4: Simplify right side
    19,886.63x = 300,061,700.40
  5. Step 5: Solve for x
    x = 300,061,700.40/19,886.63
  6. Step 6: Final answer
    x = 15,088.62

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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.