Home / 14,918.53-20,588.72-8,547.15

Finding the Fourth Proportional to 14,918.53, 20,588.72 and 8,547.15

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Solution

The fourth proportional to 14,918.53, 20,588.72 and 8,547.15 is: 11,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.53 : 20,588.72 = 8,547.15 : x
  2. Step 2: Convert to fraction form
    14,918.53/20,588.72 = 8,547.15/x
  3. Step 3: Cross multiply
    14,918.53x = 20,588.72 × 8,547.15
  4. Step 4: Simplify right side
    14,918.53x = 175,974,878.15
  5. Step 5: Solve for x
    x = 175,974,878.15/14,918.53
  6. Step 6: Final answer
    x = 11,795.73

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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.