Home / 13,337.02-18,404.81-7,368.63

Finding the Fourth Proportional to 13,337.02, 18,404.81 and 7,368.63

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Solution

The fourth proportional to 13,337.02, 18,404.81 and 7,368.63 is: 10,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.02 : 18,404.81 = 7,368.63 : x
  2. Step 2: Convert to fraction form
    13,337.02/18,404.81 = 7,368.63/x
  3. Step 3: Cross multiply
    13,337.02x = 18,404.81 × 7,368.63
  4. Step 4: Simplify right side
    13,337.02x = 135,618,235.11
  5. Step 5: Solve for x
    x = 135,618,235.11/13,337.02
  6. Step 6: Final answer
    x = 10,168.56

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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.