Home / 13,503.02-18,635.06-7,534.81

Finding the Fourth Proportional to 13,503.02, 18,635.06 and 7,534.81

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Solution

The fourth proportional to 13,503.02, 18,635.06 and 7,534.81 is: 10,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.02 : 18,635.06 = 7,534.81 : x
  2. Step 2: Convert to fraction form
    13,503.02/18,635.06 = 7,534.81/x
  3. Step 3: Cross multiply
    13,503.02x = 18,635.06 × 7,534.81
  4. Step 4: Simplify right side
    13,503.02x = 140,411,636.44
  5. Step 5: Solve for x
    x = 140,411,636.44/13,503.02
  6. Step 6: Final answer
    x = 10,398.54

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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.