Home / 14,642.84-20,206.32-8,675.06

Finding the Fourth Proportional to 14,642.84, 20,206.32 and 8,675.06

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Solution

The fourth proportional to 14,642.84, 20,206.32 and 8,675.06 is: 11,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.84 : 20,206.32 = 8,675.06 : x
  2. Step 2: Convert to fraction form
    14,642.84/20,206.32 = 8,675.06/x
  3. Step 3: Cross multiply
    14,642.84x = 20,206.32 × 8,675.06
  4. Step 4: Simplify right side
    14,642.84x = 175,291,038.38
  5. Step 5: Solve for x
    x = 175,291,038.38/14,642.84
  6. Step 6: Final answer
    x = 11,971.11

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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.