Home / 19,356.17-26,711.17-10,858.30

Finding the Fourth Proportional to 19,356.17, 26,711.17 and 10,858.30

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Solution

The fourth proportional to 19,356.17, 26,711.17 and 10,858.30 is: 14,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.17 : 26,711.17 = 10,858.30 : x
  2. Step 2: Convert to fraction form
    19,356.17/26,711.17 = 10,858.30/x
  3. Step 3: Cross multiply
    19,356.17x = 26,711.17 × 10,858.30
  4. Step 4: Simplify right side
    19,356.17x = 290,037,953.54
  5. Step 5: Solve for x
    x = 290,037,953.54/19,356.17
  6. Step 6: Final answer
    x = 14,984.27

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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.