Home / 25,701.29-35,465.82-15,628.34

Finding the Fourth Proportional to 25,701.29, 35,465.82 and 15,628.34

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Solution

The fourth proportional to 25,701.29, 35,465.82 and 15,628.34 is: 21,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,701.29 : 35,465.82 = 15,628.34 : x
  2. Step 2: Convert to fraction form
    25,701.29/35,465.82 = 15,628.34/x
  3. Step 3: Cross multiply
    25,701.29x = 35,465.82 × 15,628.34
  4. Step 4: Simplify right side
    25,701.29x = 554,271,716.01
  5. Step 5: Solve for x
    x = 554,271,716.01/25,701.29
  6. Step 6: Final answer
    x = 21,565.91

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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.