Home / 14,230.64-19,637.27-7,856.20

Finding the Fourth Proportional to 14,230.64, 19,637.27 and 7,856.20

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Solution

The fourth proportional to 14,230.64, 19,637.27 and 7,856.20 is: 10,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.64 : 19,637.27 = 7,856.20 : x
  2. Step 2: Convert to fraction form
    14,230.64/19,637.27 = 7,856.20/x
  3. Step 3: Cross multiply
    14,230.64x = 19,637.27 × 7,856.20
  4. Step 4: Simplify right side
    14,230.64x = 154,274,335.30
  5. Step 5: Solve for x
    x = 154,274,335.30/14,230.64
  6. Step 6: Final answer
    x = 10,841.00

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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.