Home / 14,030.50-19,362.51-7,743.28

Finding the Fourth Proportional to 14,030.50, 19,362.51 and 7,743.28

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Solution

The fourth proportional to 14,030.50, 19,362.51 and 7,743.28 is: 10,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.50 : 19,362.51 = 7,743.28 : x
  2. Step 2: Convert to fraction form
    14,030.50/19,362.51 = 7,743.28/x
  3. Step 3: Cross multiply
    14,030.50x = 19,362.51 × 7,743.28
  4. Step 4: Simplify right side
    14,030.50x = 149,929,336.43
  5. Step 5: Solve for x
    x = 149,929,336.43/14,030.50
  6. Step 6: Final answer
    x = 10,685.96

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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.