Home / 19,828.67-27,363.53-10,876.21

Finding the Fourth Proportional to 19,828.67, 27,363.53 and 10,876.21

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Solution

The fourth proportional to 19,828.67, 27,363.53 and 10,876.21 is: 15,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.67 : 27,363.53 = 10,876.21 : x
  2. Step 2: Convert to fraction form
    19,828.67/27,363.53 = 10,876.21/x
  3. Step 3: Cross multiply
    19,828.67x = 27,363.53 × 10,876.21
  4. Step 4: Simplify right side
    19,828.67x = 297,611,457.40
  5. Step 5: Solve for x
    x = 297,611,457.40/19,828.67
  6. Step 6: Final answer
    x = 15,009.15

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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.