Home / 25,168.32-37,752.35-7,638.17

Finding the Fourth Proportional to 25,168.32, 37,752.35 and 7,638.17

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Solution

The fourth proportional to 25,168.32, 37,752.35 and 7,638.17 is: 11,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.32 : 37,752.35 = 7,638.17 : x
  2. Step 2: Convert to fraction form
    25,168.32/37,752.35 = 7,638.17/x
  3. Step 3: Cross multiply
    25,168.32x = 37,752.35 × 7,638.17
  4. Step 4: Simplify right side
    25,168.32x = 288,358,640.25
  5. Step 5: Solve for x
    x = 288,358,640.25/25,168.32
  6. Step 6: Final answer
    x = 11,457.21

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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.