Home / 14,264.24-19,681.56-7,976.40

Finding the Fourth Proportional to 14,264.24, 19,681.56 and 7,976.40

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Solution

The fourth proportional to 14,264.24, 19,681.56 and 7,976.40 is: 11,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.24 : 19,681.56 = 7,976.40 : x
  2. Step 2: Convert to fraction form
    14,264.24/19,681.56 = 7,976.40/x
  3. Step 3: Cross multiply
    14,264.24x = 19,681.56 × 7,976.40
  4. Step 4: Simplify right side
    14,264.24x = 156,987,995.18
  5. Step 5: Solve for x
    x = 156,987,995.18/14,264.24
  6. Step 6: Final answer
    x = 11,005.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.