Home / 13,435.02-18,538.47-7,466.13

Finding the Fourth Proportional to 13,435.02, 18,538.47 and 7,466.13

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Solution

The fourth proportional to 13,435.02, 18,538.47 and 7,466.13 is: 10,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.02 : 18,538.47 = 7,466.13 : x
  2. Step 2: Convert to fraction form
    13,435.02/18,538.47 = 7,466.13/x
  3. Step 3: Cross multiply
    13,435.02x = 18,538.47 × 7,466.13
  4. Step 4: Simplify right side
    13,435.02x = 138,410,627.02
  5. Step 5: Solve for x
    x = 138,410,627.02/13,435.02
  6. Step 6: Final answer
    x = 10,302.23

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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.