Home / 14,203.02-19,600.40-7,915.39

Finding the Fourth Proportional to 14,203.02, 19,600.40 and 7,915.39

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Solution

The fourth proportional to 14,203.02, 19,600.40 and 7,915.39 is: 10,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.02 : 19,600.40 = 7,915.39 : x
  2. Step 2: Convert to fraction form
    14,203.02/19,600.40 = 7,915.39/x
  3. Step 3: Cross multiply
    14,203.02x = 19,600.40 × 7,915.39
  4. Step 4: Simplify right side
    14,203.02x = 155,144,810.16
  5. Step 5: Solve for x
    x = 155,144,810.16/14,203.02
  6. Step 6: Final answer
    x = 10,923.37

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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.