Home / 28,526.94-42,772.19-11,898.45

Finding the Fourth Proportional to 28,526.94, 42,772.19 and 11,898.45

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Solution

The fourth proportional to 28,526.94, 42,772.19 and 11,898.45 is: 17,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.94 : 42,772.19 = 11,898.45 : x
  2. Step 2: Convert to fraction form
    28,526.94/42,772.19 = 11,898.45/x
  3. Step 3: Cross multiply
    28,526.94x = 42,772.19 × 11,898.45
  4. Step 4: Simplify right side
    28,526.94x = 508,922,704.61
  5. Step 5: Solve for x
    x = 508,922,704.61/28,526.94
  6. Step 6: Final answer
    x = 17,840.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.