Home / 25,139.40-34,698.64-14,535.68

Finding the Fourth Proportional to 25,139.40, 34,698.64 and 14,535.68

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Solution

The fourth proportional to 25,139.40, 34,698.64 and 14,535.68 is: 20,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.40 : 34,698.64 = 14,535.68 : x
  2. Step 2: Convert to fraction form
    25,139.40/34,698.64 = 14,535.68/x
  3. Step 3: Cross multiply
    25,139.40x = 34,698.64 × 14,535.68
  4. Step 4: Simplify right side
    25,139.40x = 504,368,327.48
  5. Step 5: Solve for x
    x = 504,368,327.48/25,139.40
  6. Step 6: Final answer
    x = 20,062.86

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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.