Home / 14,864.61-20,497.85-10,386.73

Finding the Fourth Proportional to 14,864.61, 20,497.85 and 10,386.73

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Solution

The fourth proportional to 14,864.61, 20,497.85 and 10,386.73 is: 14,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.61 : 20,497.85 = 10,386.73 : x
  2. Step 2: Convert to fraction form
    14,864.61/20,497.85 = 10,386.73/x
  3. Step 3: Cross multiply
    14,864.61x = 20,497.85 × 10,386.73
  4. Step 4: Simplify right side
    14,864.61x = 212,905,633.53
  5. Step 5: Solve for x
    x = 212,905,633.53/14,864.61
  6. Step 6: Final answer
    x = 14,322.99

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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.