Home / 25,130.09-34,678.17-13,797.38

Finding the Fourth Proportional to 25,130.09, 34,678.17 and 13,797.38

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Solution

The fourth proportional to 25,130.09, 34,678.17 and 13,797.38 is: 19,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.09 : 34,678.17 = 13,797.38 : x
  2. Step 2: Convert to fraction form
    25,130.09/34,678.17 = 13,797.38/x
  3. Step 3: Cross multiply
    25,130.09x = 34,678.17 × 13,797.38
  4. Step 4: Simplify right side
    25,130.09x = 478,467,715.80
  5. Step 5: Solve for x
    x = 478,467,715.80/25,130.09
  6. Step 6: Final answer
    x = 19,039.64

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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.