Home / 14,182.36-21,312.42-13,377.22

Finding the Fourth Proportional to 14,182.36, 21,312.42 and 13,377.22

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Solution

The fourth proportional to 14,182.36, 21,312.42 and 13,377.22 is: 20,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.36 : 21,312.42 = 13,377.22 : x
  2. Step 2: Convert to fraction form
    14,182.36/21,312.42 = 13,377.22/x
  3. Step 3: Cross multiply
    14,182.36x = 21,312.42 × 13,377.22
  4. Step 4: Simplify right side
    14,182.36x = 285,100,931.07
  5. Step 5: Solve for x
    x = 285,100,931.07/14,182.36
  6. Step 6: Final answer
    x = 20,102.50

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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.