Home / 15,461.64-21,336.48-9,493.56

Finding the Fourth Proportional to 15,461.64, 21,336.48 and 9,493.56

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Solution

The fourth proportional to 15,461.64, 21,336.48 and 9,493.56 is: 13,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.64 : 21,336.48 = 9,493.56 : x
  2. Step 2: Convert to fraction form
    15,461.64/21,336.48 = 9,493.56/x
  3. Step 3: Cross multiply
    15,461.64x = 21,336.48 × 9,493.56
  4. Step 4: Simplify right side
    15,461.64x = 202,559,153.07
  5. Step 5: Solve for x
    x = 202,559,153.07/15,461.64
  6. Step 6: Final answer
    x = 13,100.75

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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.