Home / 18,609.14-25,681.10-10,653.93

Finding the Fourth Proportional to 18,609.14, 25,681.10 and 10,653.93

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Solution

The fourth proportional to 18,609.14, 25,681.10 and 10,653.93 is: 14,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.14 : 25,681.10 = 10,653.93 : x
  2. Step 2: Convert to fraction form
    18,609.14/25,681.10 = 10,653.93/x
  3. Step 3: Cross multiply
    18,609.14x = 25,681.10 × 10,653.93
  4. Step 4: Simplify right side
    18,609.14x = 273,604,588.45
  5. Step 5: Solve for x
    x = 273,604,588.45/18,609.14
  6. Step 6: Final answer
    x = 14,702.70

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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.