Home / 29,175.96-40,238.76-18,547.08

Finding the Fourth Proportional to 29,175.96, 40,238.76 and 18,547.08

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Solution

The fourth proportional to 29,175.96, 40,238.76 and 18,547.08 is: 25,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,175.96 : 40,238.76 = 18,547.08 : x
  2. Step 2: Convert to fraction form
    29,175.96/40,238.76 = 18,547.08/x
  3. Step 3: Cross multiply
    29,175.96x = 40,238.76 × 18,547.08
  4. Step 4: Simplify right side
    29,175.96x = 746,311,500.82
  5. Step 5: Solve for x
    x = 746,311,500.82/29,175.96
  6. Step 6: Final answer
    x = 25,579.67

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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.