Home / 18,903.68-26,083.32-10,518.56

Finding the Fourth Proportional to 18,903.68, 26,083.32 and 10,518.56

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Solution

The fourth proportional to 18,903.68, 26,083.32 and 10,518.56 is: 14,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.68 : 26,083.32 = 10,518.56 : x
  2. Step 2: Convert to fraction form
    18,903.68/26,083.32 = 10,518.56/x
  3. Step 3: Cross multiply
    18,903.68x = 26,083.32 × 10,518.56
  4. Step 4: Simplify right side
    18,903.68x = 274,358,966.42
  5. Step 5: Solve for x
    x = 274,358,966.42/18,903.68
  6. Step 6: Final answer
    x = 14,513.52

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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.