Home / 15,604.04-21,533.60-8,530.46

Finding the Fourth Proportional to 15,604.04, 21,533.60 and 8,530.46

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Solution

The fourth proportional to 15,604.04, 21,533.60 and 8,530.46 is: 11,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.04 : 21,533.60 = 8,530.46 : x
  2. Step 2: Convert to fraction form
    15,604.04/21,533.60 = 8,530.46/x
  3. Step 3: Cross multiply
    15,604.04x = 21,533.60 × 8,530.46
  4. Step 4: Simplify right side
    15,604.04x = 183,691,581.01
  5. Step 5: Solve for x
    x = 183,691,581.01/15,604.04
  6. Step 6: Final answer
    x = 11,772.05

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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.