Home / 14,253.04-19,669.10-7,880.06

Finding the Fourth Proportional to 14,253.04, 19,669.10 and 7,880.06

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Solution

The fourth proportional to 14,253.04, 19,669.10 and 7,880.06 is: 10,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.04 : 19,669.10 = 7,880.06 : x
  2. Step 2: Convert to fraction form
    14,253.04/19,669.10 = 7,880.06/x
  3. Step 3: Cross multiply
    14,253.04x = 19,669.10 × 7,880.06
  4. Step 4: Simplify right side
    14,253.04x = 154,993,688.15
  5. Step 5: Solve for x
    x = 154,993,688.15/14,253.04
  6. Step 6: Final answer
    x = 10,874.43

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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.