Home / 14,015.52-19,341.02-7,727.90

Finding the Fourth Proportional to 14,015.52, 19,341.02 and 7,727.90

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Solution

The fourth proportional to 14,015.52, 19,341.02 and 7,727.90 is: 10,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.52 : 19,341.02 = 7,727.90 : x
  2. Step 2: Convert to fraction form
    14,015.52/19,341.02 = 7,727.90/x
  3. Step 3: Cross multiply
    14,015.52x = 19,341.02 × 7,727.90
  4. Step 4: Simplify right side
    14,015.52x = 149,465,468.46
  5. Step 5: Solve for x
    x = 149,465,468.46/14,015.52
  6. Step 6: Final answer
    x = 10,664.28

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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.