Home / 19,185.57-26,475.68-10,687.68

Finding the Fourth Proportional to 19,185.57, 26,475.68 and 10,687.68

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Solution

The fourth proportional to 19,185.57, 26,475.68 and 10,687.68 is: 14,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.57 : 26,475.68 = 10,687.68 : x
  2. Step 2: Convert to fraction form
    19,185.57/26,475.68 = 10,687.68/x
  3. Step 3: Cross multiply
    19,185.57x = 26,475.68 × 10,687.68
  4. Step 4: Simplify right side
    19,185.57x = 282,963,622.34
  5. Step 5: Solve for x
    x = 282,963,622.34/19,185.57
  6. Step 6: Final answer
    x = 14,748.77

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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.