Home / 18,911.63-26,098.14-10,528.13

Finding the Fourth Proportional to 18,911.63, 26,098.14 and 10,528.13

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Solution

The fourth proportional to 18,911.63, 26,098.14 and 10,528.13 is: 14,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911.63 : 26,098.14 = 10,528.13 : x
  2. Step 2: Convert to fraction form
    18,911.63/26,098.14 = 10,528.13/x
  3. Step 3: Cross multiply
    18,911.63x = 26,098.14 × 10,528.13
  4. Step 4: Simplify right side
    18,911.63x = 274,764,480.19
  5. Step 5: Solve for x
    x = 274,764,480.19/18,911.63
  6. Step 6: Final answer
    x = 14,528.87

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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.