Home / 18,445.84-25,465.74-12,176.44

Finding the Fourth Proportional to 18,445.84, 25,465.74 and 12,176.44

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Solution

The fourth proportional to 18,445.84, 25,465.74 and 12,176.44 is: 16,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.84 : 25,465.74 = 12,176.44 : x
  2. Step 2: Convert to fraction form
    18,445.84/25,465.74 = 12,176.44/x
  3. Step 3: Cross multiply
    18,445.84x = 25,465.74 × 12,176.44
  4. Step 4: Simplify right side
    18,445.84x = 310,081,927.84
  5. Step 5: Solve for x
    x = 310,081,927.84/18,445.84
  6. Step 6: Final answer
    x = 16,810.40

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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.