Home / 21,715.40-32,573.34-6,924.20

Finding the Fourth Proportional to 21,715.40, 32,573.34 and 6,924.20

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Solution

The fourth proportional to 21,715.40, 32,573.34 and 6,924.20 is: 10,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.40 : 32,573.34 = 6,924.20 : x
  2. Step 2: Convert to fraction form
    21,715.40/32,573.34 = 6,924.20/x
  3. Step 3: Cross multiply
    21,715.40x = 32,573.34 × 6,924.20
  4. Step 4: Simplify right side
    21,715.40x = 225,544,320.83
  5. Step 5: Solve for x
    x = 225,544,320.83/21,715.40
  6. Step 6: Final answer
    x = 10,386.38

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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.