Home / 19,881.68-27,437.00-10,930.01

Finding the Fourth Proportional to 19,881.68, 27,437.00 and 10,930.01

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Solution

The fourth proportional to 19,881.68, 27,437.00 and 10,930.01 is: 15,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,881.68 : 27,437.00 = 10,930.01 : x
  2. Step 2: Convert to fraction form
    19,881.68/27,437.00 = 10,930.01/x
  3. Step 3: Cross multiply
    19,881.68x = 27,437.00 × 10,930.01
  4. Step 4: Simplify right side
    19,881.68x = 299,886,492.53
  5. Step 5: Solve for x
    x = 299,886,492.53/19,881.68
  6. Step 6: Final answer
    x = 15,083.56

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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.