Home / 25,093.19-34,541.69-21,688.65

Finding the Fourth Proportional to 25,093.19, 34,541.69 and 21,688.65

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Solution

The fourth proportional to 25,093.19, 34,541.69 and 21,688.65 is: 29,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,093.19 : 34,541.69 = 21,688.65 : x
  2. Step 2: Convert to fraction form
    25,093.19/34,541.69 = 21,688.65/x
  3. Step 3: Cross multiply
    25,093.19x = 34,541.69 × 21,688.65
  4. Step 4: Simplify right side
    25,093.19x = 749,162,624.82
  5. Step 5: Solve for x
    x = 749,162,624.82/25,093.19
  6. Step 6: Final answer
    x = 29,855.22

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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.