Home / 15,247.52-21,041.10-8,533.70

Finding the Fourth Proportional to 15,247.52, 21,041.10 and 8,533.70

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Solution

The fourth proportional to 15,247.52, 21,041.10 and 8,533.70 is: 11,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.52 : 21,041.10 = 8,533.70 : x
  2. Step 2: Convert to fraction form
    15,247.52/21,041.10 = 8,533.70/x
  3. Step 3: Cross multiply
    15,247.52x = 21,041.10 × 8,533.70
  4. Step 4: Simplify right side
    15,247.52x = 179,558,435.07
  5. Step 5: Solve for x
    x = 179,558,435.07/15,247.52
  6. Step 6: Final answer
    x = 11,776.24

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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.