Home / 25,850.04-35,675.67-15,784.37

Finding the Fourth Proportional to 25,850.04, 35,675.67 and 15,784.37

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Solution

The fourth proportional to 25,850.04, 35,675.67 and 15,784.37 is: 21,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,850.04 : 35,675.67 = 15,784.37 : x
  2. Step 2: Convert to fraction form
    25,850.04/35,675.67 = 15,784.37/x
  3. Step 3: Cross multiply
    25,850.04x = 35,675.67 × 15,784.37
  4. Step 4: Simplify right side
    25,850.04x = 563,117,856.69
  5. Step 5: Solve for x
    x = 563,117,856.69/25,850.04
  6. Step 6: Final answer
    x = 21,784.03

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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.