Home / 14,601.89-21,875.14-8,666.23

Finding the Fourth Proportional to 14,601.89, 21,875.14 and 8,666.23

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Solution

The fourth proportional to 14,601.89, 21,875.14 and 8,666.23 is: 12,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.89 : 21,875.14 = 8,666.23 : x
  2. Step 2: Convert to fraction form
    14,601.89/21,875.14 = 8,666.23/x
  3. Step 3: Cross multiply
    14,601.89x = 21,875.14 × 8,666.23
  4. Step 4: Simplify right side
    14,601.89x = 189,574,994.52
  5. Step 5: Solve for x
    x = 189,574,994.52/14,601.89
  6. Step 6: Final answer
    x = 12,982.91

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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.