Home / 14,077.84-21,116.74-6,678.26

Finding the Fourth Proportional to 14,077.84, 21,116.74 and 6,678.26

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Solution

The fourth proportional to 14,077.84, 21,116.74 and 6,678.26 is: 10,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.84 : 21,116.74 = 6,678.26 : x
  2. Step 2: Convert to fraction form
    14,077.84/21,116.74 = 6,678.26/x
  3. Step 3: Cross multiply
    14,077.84x = 21,116.74 × 6,678.26
  4. Step 4: Simplify right side
    14,077.84x = 141,023,080.07
  5. Step 5: Solve for x
    x = 141,023,080.07/14,077.84
  6. Step 6: Final answer
    x = 10,017.38

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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.