Home / 15,011.48-22,531.34-7,621.25

Finding the Fourth Proportional to 15,011.48, 22,531.34 and 7,621.25

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Solution

The fourth proportional to 15,011.48, 22,531.34 and 7,621.25 is: 11,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.48 : 22,531.34 = 7,621.25 : x
  2. Step 2: Convert to fraction form
    15,011.48/22,531.34 = 7,621.25/x
  3. Step 3: Cross multiply
    15,011.48x = 22,531.34 × 7,621.25
  4. Step 4: Simplify right side
    15,011.48x = 171,716,881.37
  5. Step 5: Solve for x
    x = 171,716,881.37/15,011.48
  6. Step 6: Final answer
    x = 11,439.04

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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.