Home / 14,795.04-20,417.20-8,507

Finding the Fourth Proportional to 14,795.04, 20,417.20 and 8,507

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Solution

The fourth proportional to 14,795.04, 20,417.20 and 8,507 is: 11,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.04 : 20,417.20 = 8,507 : x
  2. Step 2: Convert to fraction form
    14,795.04/20,417.20 = 8,507/x
  3. Step 3: Cross multiply
    14,795.04x = 20,417.20 × 8,507
  4. Step 4: Simplify right side
    14,795.04x = 173,689,120.40
  5. Step 5: Solve for x
    x = 173,689,120.40/14,795.04
  6. Step 6: Final answer
    x = 11,739.69

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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.