Home / 15,632.50-21,573.40-8,558.98

Finding the Fourth Proportional to 15,632.50, 21,573.40 and 8,558.98

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Solution

The fourth proportional to 15,632.50, 21,573.40 and 8,558.98 is: 11,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.50 : 21,573.40 = 8,558.98 : x
  2. Step 2: Convert to fraction form
    15,632.50/21,573.40 = 8,558.98/x
  3. Step 3: Cross multiply
    15,632.50x = 21,573.40 × 8,558.98
  4. Step 4: Simplify right side
    15,632.50x = 184,646,299.13
  5. Step 5: Solve for x
    x = 184,646,299.13/15,632.50
  6. Step 6: Final answer
    x = 11,811.69

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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.