Home / 13,361.02-18,437.70-7,392.94

Finding the Fourth Proportional to 13,361.02, 18,437.70 and 7,392.94

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Solution

The fourth proportional to 13,361.02, 18,437.70 and 7,392.94 is: 10,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.02 : 18,437.70 = 7,392.94 : x
  2. Step 2: Convert to fraction form
    13,361.02/18,437.70 = 7,392.94/x
  3. Step 3: Cross multiply
    13,361.02x = 18,437.70 × 7,392.94
  4. Step 4: Simplify right side
    13,361.02x = 136,308,809.84
  5. Step 5: Solve for x
    x = 136,308,809.84/13,361.02
  6. Step 6: Final answer
    x = 10,201.98

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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.