Home / 14,516.92-19,988.65-12,714.01

Finding the Fourth Proportional to 14,516.92, 19,988.65 and 12,714.01

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Solution

The fourth proportional to 14,516.92, 19,988.65 and 12,714.01 is: 17,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.92 : 19,988.65 = 12,714.01 : x
  2. Step 2: Convert to fraction form
    14,516.92/19,988.65 = 12,714.01/x
  3. Step 3: Cross multiply
    14,516.92x = 19,988.65 × 12,714.01
  4. Step 4: Simplify right side
    14,516.92x = 254,135,895.99
  5. Step 5: Solve for x
    x = 254,135,895.99/14,516.92
  6. Step 6: Final answer
    x = 17,506.19

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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.