Home / 19,439.77-26,802.36-12,714.74

Finding the Fourth Proportional to 19,439.77, 26,802.36 and 12,714.74

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Solution

The fourth proportional to 19,439.77, 26,802.36 and 12,714.74 is: 17,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.77 : 26,802.36 = 12,714.74 : x
  2. Step 2: Convert to fraction form
    19,439.77/26,802.36 = 12,714.74/x
  3. Step 3: Cross multiply
    19,439.77x = 26,802.36 × 12,714.74
  4. Step 4: Simplify right side
    19,439.77x = 340,785,156.05
  5. Step 5: Solve for x
    x = 340,785,156.05/19,439.77
  6. Step 6: Final answer
    x = 17,530.31

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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.