Home / 19,356.58-26,715.12-10,862.14

Finding the Fourth Proportional to 19,356.58, 26,715.12 and 10,862.14

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Solution

The fourth proportional to 19,356.58, 26,715.12 and 10,862.14 is: 14,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.58 : 26,715.12 = 10,862.14 : x
  2. Step 2: Convert to fraction form
    19,356.58/26,715.12 = 10,862.14/x
  3. Step 3: Cross multiply
    19,356.58x = 26,715.12 × 10,862.14
  4. Step 4: Simplify right side
    19,356.58x = 290,183,373.56
  5. Step 5: Solve for x
    x = 290,183,373.56/19,356.58
  6. Step 6: Final answer
    x = 14,991.46

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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.