Home / 14,511.89-20,030.56-8,547.02

Finding the Fourth Proportional to 14,511.89, 20,030.56 and 8,547.02

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Solution

The fourth proportional to 14,511.89, 20,030.56 and 8,547.02 is: 11,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.89 : 20,030.56 = 8,547.02 : x
  2. Step 2: Convert to fraction form
    14,511.89/20,030.56 = 8,547.02/x
  3. Step 3: Cross multiply
    14,511.89x = 20,030.56 × 8,547.02
  4. Step 4: Simplify right side
    14,511.89x = 171,201,550.53
  5. Step 5: Solve for x
    x = 171,201,550.53/14,511.89
  6. Step 6: Final answer
    x = 11,797.33

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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.