Home / 14,288.16-21,430.56-5,963.12

Finding the Fourth Proportional to 14,288.16, 21,430.56 and 5,963.12

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Solution

The fourth proportional to 14,288.16, 21,430.56 and 5,963.12 is: 8,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.16 : 21,430.56 = 5,963.12 : x
  2. Step 2: Convert to fraction form
    14,288.16/21,430.56 = 5,963.12/x
  3. Step 3: Cross multiply
    14,288.16x = 21,430.56 × 5,963.12
  4. Step 4: Simplify right side
    14,288.16x = 127,793,000.95
  5. Step 5: Solve for x
    x = 127,793,000.95/14,288.16
  6. Step 6: Final answer
    x = 8,943.98

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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.