Home / 15,549.02-23,210.39-13,580.72

Finding the Fourth Proportional to 15,549.02, 23,210.39 and 13,580.72

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Solution

The fourth proportional to 15,549.02, 23,210.39 and 13,580.72 is: 20,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.02 : 23,210.39 = 13,580.72 : x
  2. Step 2: Convert to fraction form
    15,549.02/23,210.39 = 13,580.72/x
  3. Step 3: Cross multiply
    15,549.02x = 23,210.39 × 13,580.72
  4. Step 4: Simplify right side
    15,549.02x = 315,213,623.73
  5. Step 5: Solve for x
    x = 315,213,623.73/15,549.02
  6. Step 6: Final answer
    x = 20,272.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.