Home / 24,615.78-33,970.56-13,437.78

Finding the Fourth Proportional to 24,615.78, 33,970.56 and 13,437.78

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Solution

The fourth proportional to 24,615.78, 33,970.56 and 13,437.78 is: 18,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,615.78 : 33,970.56 = 13,437.78 : x
  2. Step 2: Convert to fraction form
    24,615.78/33,970.56 = 13,437.78/x
  3. Step 3: Cross multiply
    24,615.78x = 33,970.56 × 13,437.78
  4. Step 4: Simplify right side
    24,615.78x = 456,488,911.76
  5. Step 5: Solve for x
    x = 456,488,911.76/24,615.78
  6. Step 6: Final answer
    x = 18,544.56

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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.