Home / 14,881.68-20,537.63-9,837.15

Finding the Fourth Proportional to 14,881.68, 20,537.63 and 9,837.15

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Solution

The fourth proportional to 14,881.68, 20,537.63 and 9,837.15 is: 13,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,881.68 : 20,537.63 = 9,837.15 : x
  2. Step 2: Convert to fraction form
    14,881.68/20,537.63 = 9,837.15/x
  3. Step 3: Cross multiply
    14,881.68x = 20,537.63 × 9,837.15
  4. Step 4: Simplify right side
    14,881.68x = 202,031,697.77
  5. Step 5: Solve for x
    x = 202,031,697.77/14,881.68
  6. Step 6: Final answer
    x = 13,575.87

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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.