Home / 25,678.78-35,436.77-14,348.30

Finding the Fourth Proportional to 25,678.78, 35,436.77 and 14,348.30

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Solution

The fourth proportional to 25,678.78, 35,436.77 and 14,348.30 is: 19,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,678.78 : 35,436.77 = 14,348.30 : x
  2. Step 2: Convert to fraction form
    25,678.78/35,436.77 = 14,348.30/x
  3. Step 3: Cross multiply
    25,678.78x = 35,436.77 × 14,348.30
  4. Step 4: Simplify right side
    25,678.78x = 508,457,406.99
  5. Step 5: Solve for x
    x = 508,457,406.99/25,678.78
  6. Step 6: Final answer
    x = 19,800.68

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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.