Home / 15,573.41-21,501.63-9,613.84

Finding the Fourth Proportional to 15,573.41, 21,501.63 and 9,613.84

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Solution

The fourth proportional to 15,573.41, 21,501.63 and 9,613.84 is: 13,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.41 : 21,501.63 = 9,613.84 : x
  2. Step 2: Convert to fraction form
    15,573.41/21,501.63 = 9,613.84/x
  3. Step 3: Cross multiply
    15,573.41x = 21,501.63 × 9,613.84
  4. Step 4: Simplify right side
    15,573.41x = 206,713,190.08
  5. Step 5: Solve for x
    x = 206,713,190.08/15,573.41
  6. Step 6: Final answer
    x = 13,273.47

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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.