Home / 25,409.14-35,064.51-14,078.65

Finding the Fourth Proportional to 25,409.14, 35,064.51 and 14,078.65

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Solution

The fourth proportional to 25,409.14, 35,064.51 and 14,078.65 is: 19,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.14 : 35,064.51 = 14,078.65 : x
  2. Step 2: Convert to fraction form
    25,409.14/35,064.51 = 14,078.65/x
  3. Step 3: Cross multiply
    25,409.14x = 35,064.51 × 14,078.65
  4. Step 4: Simplify right side
    25,409.14x = 493,660,963.71
  5. Step 5: Solve for x
    x = 493,660,963.71/25,409.14
  6. Step 6: Final answer
    x = 19,428.48

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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.