Home / 19,356.66-26,710.04-10,857.02

Finding the Fourth Proportional to 19,356.66, 26,710.04 and 10,857.02

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Solution

The fourth proportional to 19,356.66, 26,710.04 and 10,857.02 is: 14,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.66 : 26,710.04 = 10,857.02 : x
  2. Step 2: Convert to fraction form
    19,356.66/26,710.04 = 10,857.02/x
  3. Step 3: Cross multiply
    19,356.66x = 26,710.04 × 10,857.02
  4. Step 4: Simplify right side
    19,356.66x = 289,991,438.48
  5. Step 5: Solve for x
    x = 289,991,438.48/19,356.66
  6. Step 6: Final answer
    x = 14,981.48

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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.