Home / 23,430.50-35,145.72-7,635.51

Finding the Fourth Proportional to 23,430.50, 35,145.72 and 7,635.51

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Solution

The fourth proportional to 23,430.50, 35,145.72 and 7,635.51 is: 11,453.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.50 : 35,145.72 = 7,635.51 : x
  2. Step 2: Convert to fraction form
    23,430.50/35,145.72 = 7,635.51/x
  3. Step 3: Cross multiply
    23,430.50x = 35,145.72 × 7,635.51
  4. Step 4: Simplify right side
    23,430.50x = 268,355,320.79
  5. Step 5: Solve for x
    x = 268,355,320.79/23,430.50
  6. Step 6: Final answer
    x = 11,453.25

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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.