Home / 14,242.55-21,368.14-10,090.59

Finding the Fourth Proportional to 14,242.55, 21,368.14 and 10,090.59

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Solution

The fourth proportional to 14,242.55, 21,368.14 and 10,090.59 is: 15,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.55 : 21,368.14 = 10,090.59 : x
  2. Step 2: Convert to fraction form
    14,242.55/21,368.14 = 10,090.59/x
  3. Step 3: Cross multiply
    14,242.55x = 21,368.14 × 10,090.59
  4. Step 4: Simplify right side
    14,242.55x = 215,617,034.45
  5. Step 5: Solve for x
    x = 215,617,034.45/14,242.55
  6. Step 6: Final answer
    x = 15,138.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.