Home / 14,663.63-20,230.51-9,630.58

Finding the Fourth Proportional to 14,663.63, 20,230.51 and 9,630.58

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Solution

The fourth proportional to 14,663.63, 20,230.51 and 9,630.58 is: 13,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.63 : 20,230.51 = 9,630.58 : x
  2. Step 2: Convert to fraction form
    14,663.63/20,230.51 = 9,630.58/x
  3. Step 3: Cross multiply
    14,663.63x = 20,230.51 × 9,630.58
  4. Step 4: Simplify right side
    14,663.63x = 194,831,526.33
  5. Step 5: Solve for x
    x = 194,831,526.33/14,663.63
  6. Step 6: Final answer
    x = 13,286.72

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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.