Home / 28,113.92-42,143.34-14,052.93

Finding the Fourth Proportional to 28,113.92, 42,143.34 and 14,052.93

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Solution

The fourth proportional to 28,113.92, 42,143.34 and 14,052.93 is: 21,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,113.92 : 42,143.34 = 14,052.93 : x
  2. Step 2: Convert to fraction form
    28,113.92/42,143.34 = 14,052.93/x
  3. Step 3: Cross multiply
    28,113.92x = 42,143.34 × 14,052.93
  4. Step 4: Simplify right side
    28,113.92x = 592,237,222.60
  5. Step 5: Solve for x
    x = 592,237,222.60/28,113.92
  6. Step 6: Final answer
    x = 21,065.62

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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.