Home / 19,312.32-26,663.04-13,272.96

Finding the Fourth Proportional to 19,312.32, 26,663.04 and 13,272.96

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Solution

The fourth proportional to 19,312.32, 26,663.04 and 13,272.96 is: 18,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.32 : 26,663.04 = 13,272.96 : x
  2. Step 2: Convert to fraction form
    19,312.32/26,663.04 = 13,272.96/x
  3. Step 3: Cross multiply
    19,312.32x = 26,663.04 × 13,272.96
  4. Step 4: Simplify right side
    19,312.32x = 353,897,463.40
  5. Step 5: Solve for x
    x = 353,897,463.40/19,312.32
  6. Step 6: Final answer
    x = 18,324.96

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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.