Home / 25,490.52-38,212.74-9,070.68

Finding the Fourth Proportional to 25,490.52, 38,212.74 and 9,070.68

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Solution

The fourth proportional to 25,490.52, 38,212.74 and 9,070.68 is: 13,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,490.52 : 38,212.74 = 9,070.68 : x
  2. Step 2: Convert to fraction form
    25,490.52/38,212.74 = 9,070.68/x
  3. Step 3: Cross multiply
    25,490.52x = 38,212.74 × 9,070.68
  4. Step 4: Simplify right side
    25,490.52x = 346,615,536.46
  5. Step 5: Solve for x
    x = 346,615,536.46/25,490.52
  6. Step 6: Final answer
    x = 13,597.82

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1.5x scale

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.