Home / 19,638.51-27,101.22-10,685.94

Finding the Fourth Proportional to 19,638.51, 27,101.22 and 10,685.94

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Solution

The fourth proportional to 19,638.51, 27,101.22 and 10,685.94 is: 14,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638.51 : 27,101.22 = 10,685.94 : x
  2. Step 2: Convert to fraction form
    19,638.51/27,101.22 = 10,685.94/x
  3. Step 3: Cross multiply
    19,638.51x = 27,101.22 × 10,685.94
  4. Step 4: Simplify right side
    19,638.51x = 289,602,010.85
  5. Step 5: Solve for x
    x = 289,602,010.85/19,638.51
  6. Step 6: Final answer
    x = 14,746.64

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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.