Home / 18,631.12-25,697.93-12,652.41

Finding the Fourth Proportional to 18,631.12, 25,697.93 and 12,652.41

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Solution

The fourth proportional to 18,631.12, 25,697.93 and 12,652.41 is: 17,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.12 : 25,697.93 = 12,652.41 : x
  2. Step 2: Convert to fraction form
    18,631.12/25,697.93 = 12,652.41/x
  3. Step 3: Cross multiply
    18,631.12x = 25,697.93 × 12,652.41
  4. Step 4: Simplify right side
    18,631.12x = 325,140,746.51
  5. Step 5: Solve for x
    x = 325,140,746.51/18,631.12
  6. Step 6: Final answer
    x = 17,451.49

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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.