Home / 19,637.70-27,100.35-10,685.58

Finding the Fourth Proportional to 19,637.70, 27,100.35 and 10,685.58

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Solution

The fourth proportional to 19,637.70, 27,100.35 and 10,685.58 is: 14,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.70 : 27,100.35 = 10,685.58 : x
  2. Step 2: Convert to fraction form
    19,637.70/27,100.35 = 10,685.58/x
  3. Step 3: Cross multiply
    19,637.70x = 27,100.35 × 10,685.58
  4. Step 4: Simplify right side
    19,637.70x = 289,582,957.95
  5. Step 5: Solve for x
    x = 289,582,957.95/19,637.70
  6. Step 6: Final answer
    x = 14,746.28

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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.