Home / 19,432.16-26,812.56-11,476.88

Finding the Fourth Proportional to 19,432.16, 26,812.56 and 11,476.88

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Solution

The fourth proportional to 19,432.16, 26,812.56 and 11,476.88 is: 15,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.16 : 26,812.56 = 11,476.88 : x
  2. Step 2: Convert to fraction form
    19,432.16/26,812.56 = 11,476.88/x
  3. Step 3: Cross multiply
    19,432.16x = 26,812.56 × 11,476.88
  4. Step 4: Simplify right side
    19,432.16x = 307,724,533.61
  5. Step 5: Solve for x
    x = 307,724,533.61/19,432.16
  6. Step 6: Final answer
    x = 15,835.84

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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.