Home / 25,322.51-37,957.84-12,819.35

Finding the Fourth Proportional to 25,322.51, 37,957.84 and 12,819.35

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Solution

The fourth proportional to 25,322.51, 37,957.84 and 12,819.35 is: 19,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.51 : 37,957.84 = 12,819.35 : x
  2. Step 2: Convert to fraction form
    25,322.51/37,957.84 = 12,819.35/x
  3. Step 3: Cross multiply
    25,322.51x = 37,957.84 × 12,819.35
  4. Step 4: Simplify right side
    25,322.51x = 486,594,582.32
  5. Step 5: Solve for x
    x = 486,594,582.32/25,322.51
  6. Step 6: Final answer
    x = 19,215.89

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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.