Home / 25,809.69-35,611.95-16,870.33

Finding the Fourth Proportional to 25,809.69, 35,611.95 and 16,870.33

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Solution

The fourth proportional to 25,809.69, 35,611.95 and 16,870.33 is: 23,277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.69 : 35,611.95 = 16,870.33 : x
  2. Step 2: Convert to fraction form
    25,809.69/35,611.95 = 16,870.33/x
  3. Step 3: Cross multiply
    25,809.69x = 35,611.95 × 16,870.33
  4. Step 4: Simplify right side
    25,809.69x = 600,785,259.41
  5. Step 5: Solve for x
    x = 600,785,259.41/25,809.69
  6. Step 6: Final answer
    x = 23,277.51

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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.