Home / 25,370.40-35,019.28-17,818.56

Finding the Fourth Proportional to 25,370.40, 35,019.28 and 17,818.56

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Solution

The fourth proportional to 25,370.40, 35,019.28 and 17,818.56 is: 24,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370.40 : 35,019.28 = 17,818.56 : x
  2. Step 2: Convert to fraction form
    25,370.40/35,019.28 = 17,818.56/x
  3. Step 3: Cross multiply
    25,370.40x = 35,019.28 × 17,818.56
  4. Step 4: Simplify right side
    25,370.40x = 623,993,141.84
  5. Step 5: Solve for x
    x = 623,993,141.84/25,370.40
  6. Step 6: Final answer
    x = 24,595.32

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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.