Home / 14,260.02-19,678.32-7,972.26

Finding the Fourth Proportional to 14,260.02, 19,678.32 and 7,972.26

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Solution

The fourth proportional to 14,260.02, 19,678.32 and 7,972.26 is: 11,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.02 : 19,678.32 = 7,972.26 : x
  2. Step 2: Convert to fraction form
    14,260.02/19,678.32 = 7,972.26/x
  3. Step 3: Cross multiply
    14,260.02x = 19,678.32 × 7,972.26
  4. Step 4: Simplify right side
    14,260.02x = 156,880,683.40
  5. Step 5: Solve for x
    x = 156,880,683.40/14,260.02
  6. Step 6: Final answer
    x = 11,001.44

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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.