Home / 13,783.23-19,031.58-10,591.47

Finding the Fourth Proportional to 13,783.23, 19,031.58 and 10,591.47

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Solution

The fourth proportional to 13,783.23, 19,031.58 and 10,591.47 is: 14,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.23 : 19,031.58 = 10,591.47 : x
  2. Step 2: Convert to fraction form
    13,783.23/19,031.58 = 10,591.47/x
  3. Step 3: Cross multiply
    13,783.23x = 19,031.58 × 10,591.47
  4. Step 4: Simplify right side
    13,783.23x = 201,572,408.62
  5. Step 5: Solve for x
    x = 201,572,408.62/13,783.23
  6. Step 6: Final answer
    x = 14,624.47

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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.