Home / 22,727.19-31,345.74-14,772

Finding the Fourth Proportional to 22,727.19, 31,345.74 and 14,772

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Solution

The fourth proportional to 22,727.19, 31,345.74 and 14,772 is: 20,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,727.19 : 31,345.74 = 14,772 : x
  2. Step 2: Convert to fraction form
    22,727.19/31,345.74 = 14,772/x
  3. Step 3: Cross multiply
    22,727.19x = 31,345.74 × 14,772
  4. Step 4: Simplify right side
    22,727.19x = 463,039,271.28
  5. Step 5: Solve for x
    x = 463,039,271.28/22,727.19
  6. Step 6: Final answer
    x = 20,373.80

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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.