Home / 18,941.04-26,137.08-10,980.72

Finding the Fourth Proportional to 18,941.04, 26,137.08 and 10,980.72

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Solution

The fourth proportional to 18,941.04, 26,137.08 and 10,980.72 is: 15,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.04 : 26,137.08 = 10,980.72 : x
  2. Step 2: Convert to fraction form
    18,941.04/26,137.08 = 10,980.72/x
  3. Step 3: Cross multiply
    18,941.04x = 26,137.08 × 10,980.72
  4. Step 4: Simplify right side
    18,941.04x = 287,003,957.10
  5. Step 5: Solve for x
    x = 287,003,957.10/18,941.04
  6. Step 6: Final answer
    x = 15,152.49

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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.