Home / 14,395.44-19,825.98-12,405.28

Finding the Fourth Proportional to 14,395.44, 19,825.98 and 12,405.28

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Solution

The fourth proportional to 14,395.44, 19,825.98 and 12,405.28 is: 17,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.44 : 19,825.98 = 12,405.28 : x
  2. Step 2: Convert to fraction form
    14,395.44/19,825.98 = 12,405.28/x
  3. Step 3: Cross multiply
    14,395.44x = 19,825.98 × 12,405.28
  4. Step 4: Simplify right side
    14,395.44x = 245,946,833.17
  5. Step 5: Solve for x
    x = 245,946,833.17/14,395.44
  6. Step 6: Final answer
    x = 17,085.05

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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.