Home / 14,188.08-21,274.56-5,417.94

Finding the Fourth Proportional to 14,188.08, 21,274.56 and 5,417.94

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Solution

The fourth proportional to 14,188.08, 21,274.56 and 5,417.94 is: 8,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.08 : 21,274.56 = 5,417.94 : x
  2. Step 2: Convert to fraction form
    14,188.08/21,274.56 = 5,417.94/x
  3. Step 3: Cross multiply
    14,188.08x = 21,274.56 × 5,417.94
  4. Step 4: Simplify right side
    14,188.08x = 115,264,289.61
  5. Step 5: Solve for x
    x = 115,264,289.61/14,188.08
  6. Step 6: Final answer
    x = 8,124.02

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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.