Home / 13,374.01-18,475.36-10,681.70

Finding the Fourth Proportional to 13,374.01, 18,475.36 and 10,681.70

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Solution

The fourth proportional to 13,374.01, 18,475.36 and 10,681.70 is: 14,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.01 : 18,475.36 = 10,681.70 : x
  2. Step 2: Convert to fraction form
    13,374.01/18,475.36 = 10,681.70/x
  3. Step 3: Cross multiply
    13,374.01x = 18,475.36 × 10,681.70
  4. Step 4: Simplify right side
    13,374.01x = 197,348,196.98
  5. Step 5: Solve for x
    x = 197,348,196.98/13,374.01
  6. Step 6: Final answer
    x = 14,756.09

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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.