Home / 19,432.81-26,810.56-10,933.58

Finding the Fourth Proportional to 19,432.81, 26,810.56 and 10,933.58

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Solution

The fourth proportional to 19,432.81, 26,810.56 and 10,933.58 is: 15,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.81 : 26,810.56 = 10,933.58 : x
  2. Step 2: Convert to fraction form
    19,432.81/26,810.56 = 10,933.58/x
  3. Step 3: Cross multiply
    19,432.81x = 26,810.56 × 10,933.58
  4. Step 4: Simplify right side
    19,432.81x = 293,135,483.30
  5. Step 5: Solve for x
    x = 293,135,483.30/19,432.81
  6. Step 6: Final answer
    x = 15,084.56

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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.