Home / 13,216.16-18,257.28-10,560.08

Finding the Fourth Proportional to 13,216.16, 18,257.28 and 10,560.08

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Solution

The fourth proportional to 13,216.16, 18,257.28 and 10,560.08 is: 14,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.16 : 18,257.28 = 10,560.08 : x
  2. Step 2: Convert to fraction form
    13,216.16/18,257.28 = 10,560.08/x
  3. Step 3: Cross multiply
    13,216.16x = 18,257.28 × 10,560.08
  4. Step 4: Simplify right side
    13,216.16x = 192,798,337.38
  5. Step 5: Solve for x
    x = 192,798,337.38/13,216.16
  6. Step 6: Final answer
    x = 14,588.08

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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.