Home / 19,354.66-26,707.28-10,855.01

Finding the Fourth Proportional to 19,354.66, 26,707.28 and 10,855.01

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Solution

The fourth proportional to 19,354.66, 26,707.28 and 10,855.01 is: 14,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.66 : 26,707.28 = 10,855.01 : x
  2. Step 2: Convert to fraction form
    19,354.66/26,707.28 = 10,855.01/x
  3. Step 3: Cross multiply
    19,354.66x = 26,707.28 × 10,855.01
  4. Step 4: Simplify right side
    19,354.66x = 289,907,803.97
  5. Step 5: Solve for x
    x = 289,907,803.97/19,354.66
  6. Step 6: Final answer
    x = 14,978.71

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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.