Home / 13,328.02-18,392.96-7,360.07

Finding the Fourth Proportional to 13,328.02, 18,392.96 and 7,360.07

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Solution

The fourth proportional to 13,328.02, 18,392.96 and 7,360.07 is: 10,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.02 : 18,392.96 = 7,360.07 : x
  2. Step 2: Convert to fraction form
    13,328.02/18,392.96 = 7,360.07/x
  3. Step 3: Cross multiply
    13,328.02x = 18,392.96 × 7,360.07
  4. Step 4: Simplify right side
    13,328.02x = 135,373,390.32
  5. Step 5: Solve for x
    x = 135,373,390.32/13,328.02
  6. Step 6: Final answer
    x = 10,157.05

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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.