Home / 14,160.51-19,541.09-7,872.89

Finding the Fourth Proportional to 14,160.51, 19,541.09 and 7,872.89

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Solution

The fourth proportional to 14,160.51, 19,541.09 and 7,872.89 is: 10,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.51 : 19,541.09 = 7,872.89 : x
  2. Step 2: Convert to fraction form
    14,160.51/19,541.09 = 7,872.89/x
  3. Step 3: Cross multiply
    14,160.51x = 19,541.09 × 7,872.89
  4. Step 4: Simplify right side
    14,160.51x = 153,844,714.98
  5. Step 5: Solve for x
    x = 153,844,714.98/14,160.51
  6. Step 6: Final answer
    x = 10,864.35

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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.