Home / 19,351.32-26,705.12-10,855.33

Finding the Fourth Proportional to 19,351.32, 26,705.12 and 10,855.33

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Solution

The fourth proportional to 19,351.32, 26,705.12 and 10,855.33 is: 14,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.32 : 26,705.12 = 10,855.33 : x
  2. Step 2: Convert to fraction form
    19,351.32/26,705.12 = 10,855.33/x
  3. Step 3: Cross multiply
    19,351.32x = 26,705.12 × 10,855.33
  4. Step 4: Simplify right side
    19,351.32x = 289,892,756.76
  5. Step 5: Solve for x
    x = 289,892,756.76/19,351.32
  6. Step 6: Final answer
    x = 14,980.52

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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.