Home / 30,146.66-41,621.91-19,396.34

Finding the Fourth Proportional to 30,146.66, 41,621.91 and 19,396.34

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Solution

The fourth proportional to 30,146.66, 41,621.91 and 19,396.34 is: 26,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.66 : 41,621.91 = 19,396.34 : x
  2. Step 2: Convert to fraction form
    30,146.66/41,621.91 = 19,396.34/x
  3. Step 3: Cross multiply
    30,146.66x = 41,621.91 × 19,396.34
  4. Step 4: Simplify right side
    30,146.66x = 807,312,717.81
  5. Step 5: Solve for x
    x = 807,312,717.81/30,146.66
  6. Step 6: Final answer
    x = 26,779.51

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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.