Home / 14,129.51-19,508.85-10,612.08

Finding the Fourth Proportional to 14,129.51, 19,508.85 and 10,612.08

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Solution

The fourth proportional to 14,129.51, 19,508.85 and 10,612.08 is: 14,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.51 : 19,508.85 = 10,612.08 : x
  2. Step 2: Convert to fraction form
    14,129.51/19,508.85 = 10,612.08/x
  3. Step 3: Cross multiply
    14,129.51x = 19,508.85 × 10,612.08
  4. Step 4: Simplify right side
    14,129.51x = 207,029,476.91
  5. Step 5: Solve for x
    x = 207,029,476.91/14,129.51
  6. Step 6: Final answer
    x = 14,652.28

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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.