Home / 14,088.63-21,143.66-5,212.36

Finding the Fourth Proportional to 14,088.63, 21,143.66 and 5,212.36

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Solution

The fourth proportional to 14,088.63, 21,143.66 and 5,212.36 is: 7,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.63 : 21,143.66 = 5,212.36 : x
  2. Step 2: Convert to fraction form
    14,088.63/21,143.66 = 5,212.36/x
  3. Step 3: Cross multiply
    14,088.63x = 21,143.66 × 5,212.36
  4. Step 4: Simplify right side
    14,088.63x = 110,208,412.40
  5. Step 5: Solve for x
    x = 110,208,412.40/14,088.63
  6. Step 6: Final answer
    x = 7,822.51

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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.