Home / 19,541.79-29,298.11-9,151.11

Finding the Fourth Proportional to 19,541.79, 29,298.11 and 9,151.11

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Solution

The fourth proportional to 19,541.79, 29,298.11 and 9,151.11 is: 13,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.79 : 29,298.11 = 9,151.11 : x
  2. Step 2: Convert to fraction form
    19,541.79/29,298.11 = 9,151.11/x
  3. Step 3: Cross multiply
    19,541.79x = 29,298.11 × 9,151.11
  4. Step 4: Simplify right side
    19,541.79x = 268,110,181.65
  5. Step 5: Solve for x
    x = 268,110,181.65/19,541.79
  6. Step 6: Final answer
    x = 13,719.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.