Home / 13,476.81-18,595.53-10,240.05

Finding the Fourth Proportional to 13,476.81, 18,595.53 and 10,240.05

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Solution

The fourth proportional to 13,476.81, 18,595.53 and 10,240.05 is: 14,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.81 : 18,595.53 = 10,240.05 : x
  2. Step 2: Convert to fraction form
    13,476.81/18,595.53 = 10,240.05/x
  3. Step 3: Cross multiply
    13,476.81x = 18,595.53 × 10,240.05
  4. Step 4: Simplify right side
    13,476.81x = 190,419,156.98
  5. Step 5: Solve for x
    x = 190,419,156.98/13,476.81
  6. Step 6: Final answer
    x = 14,129.39

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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.