Home / 19,242.93-26,551.47-10,857.81

Finding the Fourth Proportional to 19,242.93, 26,551.47 and 10,857.81

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Solution

The fourth proportional to 19,242.93, 26,551.47 and 10,857.81 is: 14,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.93 : 26,551.47 = 10,857.81 : x
  2. Step 2: Convert to fraction form
    19,242.93/26,551.47 = 10,857.81/x
  3. Step 3: Cross multiply
    19,242.93x = 26,551.47 × 10,857.81
  4. Step 4: Simplify right side
    19,242.93x = 288,290,816.48
  5. Step 5: Solve for x
    x = 288,290,816.48/19,242.93
  6. Step 6: Final answer
    x = 14,981.65

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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.