Home / 19,384.32-26,753.31-11,835.05

Finding the Fourth Proportional to 19,384.32, 26,753.31 and 11,835.05

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Solution

The fourth proportional to 19,384.32, 26,753.31 and 11,835.05 is: 16,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.32 : 26,753.31 = 11,835.05 : x
  2. Step 2: Convert to fraction form
    19,384.32/26,753.31 = 11,835.05/x
  3. Step 3: Cross multiply
    19,384.32x = 26,753.31 × 11,835.05
  4. Step 4: Simplify right side
    19,384.32x = 316,626,702.34
  5. Step 5: Solve for x
    x = 316,626,702.34/19,384.32
  6. Step 6: Final answer
    x = 16,334.17

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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.