Home / 13,602.02-18,769.51-7,632.53

Finding the Fourth Proportional to 13,602.02, 18,769.51 and 7,632.53

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Solution

The fourth proportional to 13,602.02, 18,769.51 and 7,632.53 is: 10,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602.02 : 18,769.51 = 7,632.53 : x
  2. Step 2: Convert to fraction form
    13,602.02/18,769.51 = 7,632.53/x
  3. Step 3: Cross multiply
    13,602.02x = 18,769.51 × 7,632.53
  4. Step 4: Simplify right side
    13,602.02x = 143,258,716.15
  5. Step 5: Solve for x
    x = 143,258,716.15/13,602.02
  6. Step 6: Final answer
    x = 10,532.16

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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.