Home / 18,492.81-27,737.37-10,170.06

Finding the Fourth Proportional to 18,492.81, 27,737.37 and 10,170.06

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Solution

The fourth proportional to 18,492.81, 27,737.37 and 10,170.06 is: 15,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.81 : 27,737.37 = 10,170.06 : x
  2. Step 2: Convert to fraction form
    18,492.81/27,737.37 = 10,170.06/x
  3. Step 3: Cross multiply
    18,492.81x = 27,737.37 × 10,170.06
  4. Step 4: Simplify right side
    18,492.81x = 282,090,717.14
  5. Step 5: Solve for x
    x = 282,090,717.14/18,492.81
  6. Step 6: Final answer
    x = 15,254.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.