Home / 25,073.96-34,598.75-15,000.39

Finding the Fourth Proportional to 25,073.96, 34,598.75 and 15,000.39

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Solution

The fourth proportional to 25,073.96, 34,598.75 and 15,000.39 is: 20,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,073.96 : 34,598.75 = 15,000.39 : x
  2. Step 2: Convert to fraction form
    25,073.96/34,598.75 = 15,000.39/x
  3. Step 3: Cross multiply
    25,073.96x = 34,598.75 × 15,000.39
  4. Step 4: Simplify right side
    25,073.96x = 518,994,668.51
  5. Step 5: Solve for x
    x = 518,994,668.51/25,073.96
  6. Step 6: Final answer
    x = 20,698.56

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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.