Home / 14,124.54-21,178.51-5,360.07

Finding the Fourth Proportional to 14,124.54, 21,178.51 and 5,360.07

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Solution

The fourth proportional to 14,124.54, 21,178.51 and 5,360.07 is: 8,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.54 : 21,178.51 = 5,360.07 : x
  2. Step 2: Convert to fraction form
    14,124.54/21,178.51 = 5,360.07/x
  3. Step 3: Cross multiply
    14,124.54x = 21,178.51 × 5,360.07
  4. Step 4: Simplify right side
    14,124.54x = 113,518,296.10
  5. Step 5: Solve for x
    x = 113,518,296.10/14,124.54
  6. Step 6: Final answer
    x = 8,036.96

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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.