Home / 25,688.23-38,532.16-13,211.73

Finding the Fourth Proportional to 25,688.23, 38,532.16 and 13,211.73

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Solution

The fourth proportional to 25,688.23, 38,532.16 and 13,211.73 is: 19,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.23 : 38,532.16 = 13,211.73 : x
  2. Step 2: Convert to fraction form
    25,688.23/38,532.16 = 13,211.73/x
  3. Step 3: Cross multiply
    25,688.23x = 38,532.16 × 13,211.73
  4. Step 4: Simplify right side
    25,688.23x = 509,076,510.75
  5. Step 5: Solve for x
    x = 509,076,510.75/25,688.23
  6. Step 6: Final answer
    x = 19,817.50

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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.