Home / 18,626.46-25,715.10-14,837.49

Finding the Fourth Proportional to 18,626.46, 25,715.10 and 14,837.49

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Solution

The fourth proportional to 18,626.46, 25,715.10 and 14,837.49 is: 20,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.46 : 25,715.10 = 14,837.49 : x
  2. Step 2: Convert to fraction form
    18,626.46/25,715.10 = 14,837.49/x
  3. Step 3: Cross multiply
    18,626.46x = 25,715.10 × 14,837.49
  4. Step 4: Simplify right side
    18,626.46x = 381,547,539.10
  5. Step 5: Solve for x
    x = 381,547,539.10/18,626.46
  6. Step 6: Final answer
    x = 20,484.17

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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.