Home / 13,124.69-18,118.53-9,094.57

Finding the Fourth Proportional to 13,124.69, 18,118.53 and 9,094.57

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Solution

The fourth proportional to 13,124.69, 18,118.53 and 9,094.57 is: 12,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.69 : 18,118.53 = 9,094.57 : x
  2. Step 2: Convert to fraction form
    13,124.69/18,118.53 = 9,094.57/x
  3. Step 3: Cross multiply
    13,124.69x = 18,118.53 × 9,094.57
  4. Step 4: Simplify right side
    13,124.69x = 164,780,239.38
  5. Step 5: Solve for x
    x = 164,780,239.38/13,124.69
  6. Step 6: Final answer
    x = 12,554.98

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Half scale
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Double scale
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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.