Home / 19,875.08-27,426.28-10,922.39

Finding the Fourth Proportional to 19,875.08, 27,426.28 and 10,922.39

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Solution

The fourth proportional to 19,875.08, 27,426.28 and 10,922.39 is: 15,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.08 : 27,426.28 = 10,922.39 : x
  2. Step 2: Convert to fraction form
    19,875.08/27,426.28 = 10,922.39/x
  3. Step 3: Cross multiply
    19,875.08x = 27,426.28 × 10,922.39
  4. Step 4: Simplify right side
    19,875.08x = 299,560,334.67
  5. Step 5: Solve for x
    x = 299,560,334.67/19,875.08
  6. Step 6: Final answer
    x = 15,072.16

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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.