Home / 25,470.51-38,156.06-16,678.77

Finding the Fourth Proportional to 25,470.51, 38,156.06 and 16,678.77

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Solution

The fourth proportional to 25,470.51, 38,156.06 and 16,678.77 is: 24,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.51 : 38,156.06 = 16,678.77 : x
  2. Step 2: Convert to fraction form
    25,470.51/38,156.06 = 16,678.77/x
  3. Step 3: Cross multiply
    25,470.51x = 38,156.06 × 16,678.77
  4. Step 4: Simplify right side
    25,470.51x = 636,395,953.64
  5. Step 5: Solve for x
    x = 636,395,953.64/25,470.51
  6. Step 6: Final answer
    x = 24,985.60

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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.