Home / 19,210.15-26,506-11,660.44

Finding the Fourth Proportional to 19,210.15, 26,506 and 11,660.44

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Solution

The fourth proportional to 19,210.15, 26,506 and 11,660.44 is: 16,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.15 : 26,506 = 11,660.44 : x
  2. Step 2: Convert to fraction form
    19,210.15/26,506 = 11,660.44/x
  3. Step 3: Cross multiply
    19,210.15x = 26,506 × 11,660.44
  4. Step 4: Simplify right side
    19,210.15x = 309,071,622.64
  5. Step 5: Solve for x
    x = 309,071,622.64/19,210.15
  6. Step 6: Final answer
    x = 16,088.97

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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.