Home / 25,707.84-38,533.68-10,108.32

Finding the Fourth Proportional to 25,707.84, 38,533.68 and 10,108.32

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Solution

The fourth proportional to 25,707.84, 38,533.68 and 10,108.32 is: 15,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,707.84 : 38,533.68 = 10,108.32 : x
  2. Step 2: Convert to fraction form
    25,707.84/38,533.68 = 10,108.32/x
  3. Step 3: Cross multiply
    25,707.84x = 38,533.68 × 10,108.32
  4. Step 4: Simplify right side
    25,707.84x = 389,510,768.22
  5. Step 5: Solve for x
    x = 389,510,768.22/25,707.84
  6. Step 6: Final answer
    x = 15,151.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.