Home / 19,198.08-26,492.40-10,812.96

Finding the Fourth Proportional to 19,198.08, 26,492.40 and 10,812.96

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Solution

The fourth proportional to 19,198.08, 26,492.40 and 10,812.96 is: 14,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.08 : 26,492.40 = 10,812.96 : x
  2. Step 2: Convert to fraction form
    19,198.08/26,492.40 = 10,812.96/x
  3. Step 3: Cross multiply
    19,198.08x = 26,492.40 × 10,812.96
  4. Step 4: Simplify right side
    19,198.08x = 286,461,261.50
  5. Step 5: Solve for x
    x = 286,461,261.50/19,198.08
  6. Step 6: Final answer
    x = 14,921.35

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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.