Home / 14,406.06-19,878.93-10,631.28

Finding the Fourth Proportional to 14,406.06, 19,878.93 and 10,631.28

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Solution

The fourth proportional to 14,406.06, 19,878.93 and 10,631.28 is: 14,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.06 : 19,878.93 = 10,631.28 : x
  2. Step 2: Convert to fraction form
    14,406.06/19,878.93 = 10,631.28/x
  3. Step 3: Cross multiply
    14,406.06x = 19,878.93 × 10,631.28
  4. Step 4: Simplify right side
    14,406.06x = 211,338,470.93
  5. Step 5: Solve for x
    x = 211,338,470.93/14,406.06
  6. Step 6: Final answer
    x = 14,670.11

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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.