Home / 19,100.75-26,357.58-10,715.63

Finding the Fourth Proportional to 19,100.75, 26,357.58 and 10,715.63

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Solution

The fourth proportional to 19,100.75, 26,357.58 and 10,715.63 is: 14,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.75 : 26,357.58 = 10,715.63 : x
  2. Step 2: Convert to fraction form
    19,100.75/26,357.58 = 10,715.63/x
  3. Step 3: Cross multiply
    19,100.75x = 26,357.58 × 10,715.63
  4. Step 4: Simplify right side
    19,100.75x = 282,437,943.19
  5. Step 5: Solve for x
    x = 282,437,943.19/19,100.75
  6. Step 6: Final answer
    x = 14,786.75

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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.