Home / 19,808.72-27,336.74-10,856.24

Finding the Fourth Proportional to 19,808.72, 27,336.74 and 10,856.24

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Solution

The fourth proportional to 19,808.72, 27,336.74 and 10,856.24 is: 14,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.72 : 27,336.74 = 10,856.24 : x
  2. Step 2: Convert to fraction form
    19,808.72/27,336.74 = 10,856.24/x
  3. Step 3: Cross multiply
    19,808.72x = 27,336.74 × 10,856.24
  4. Step 4: Simplify right side
    19,808.72x = 296,774,210.26
  5. Step 5: Solve for x
    x = 296,774,210.26/19,808.72
  6. Step 6: Final answer
    x = 14,982.00

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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.