Home / 13,441.04-18,547.56-8,734.16

Finding the Fourth Proportional to 13,441.04, 18,547.56 and 8,734.16

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Solution

The fourth proportional to 13,441.04, 18,547.56 and 8,734.16 is: 12,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.04 : 18,547.56 = 8,734.16 : x
  2. Step 2: Convert to fraction form
    13,441.04/18,547.56 = 8,734.16/x
  3. Step 3: Cross multiply
    13,441.04x = 18,547.56 × 8,734.16
  4. Step 4: Simplify right side
    13,441.04x = 161,997,356.65
  5. Step 5: Solve for x
    x = 161,997,356.65/13,441.04
  6. Step 6: Final answer
    x = 12,052.44

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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.