Home / 14,030.97-21,077.21-10,356.81

Finding the Fourth Proportional to 14,030.97, 21,077.21 and 10,356.81

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Solution

The fourth proportional to 14,030.97, 21,077.21 and 10,356.81 is: 15,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.97 : 21,077.21 = 10,356.81 : x
  2. Step 2: Convert to fraction form
    14,030.97/21,077.21 = 10,356.81/x
  3. Step 3: Cross multiply
    14,030.97x = 21,077.21 × 10,356.81
  4. Step 4: Simplify right side
    14,030.97x = 218,292,724.71
  5. Step 5: Solve for x
    x = 218,292,724.71/14,030.97
  6. Step 6: Final answer
    x = 15,557.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.