Home / 14,395.25-19,864.04-10,620.45

Finding the Fourth Proportional to 14,395.25, 19,864.04 and 10,620.45

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Solution

The fourth proportional to 14,395.25, 19,864.04 and 10,620.45 is: 14,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.25 : 19,864.04 = 10,620.45 : x
  2. Step 2: Convert to fraction form
    14,395.25/19,864.04 = 10,620.45/x
  3. Step 3: Cross multiply
    14,395.25x = 19,864.04 × 10,620.45
  4. Step 4: Simplify right side
    14,395.25x = 210,964,990.52
  5. Step 5: Solve for x
    x = 210,964,990.52/14,395.25
  6. Step 6: Final answer
    x = 14,655.19

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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.