Home / 13,302.19-19,953.57-4,980.64

Finding the Fourth Proportional to 13,302.19, 19,953.57 and 4,980.64

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Solution

The fourth proportional to 13,302.19, 19,953.57 and 4,980.64 is: 7,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.19 : 19,953.57 = 4,980.64 : x
  2. Step 2: Convert to fraction form
    13,302.19/19,953.57 = 4,980.64/x
  3. Step 3: Cross multiply
    13,302.19x = 19,953.57 × 4,980.64
  4. Step 4: Simplify right side
    13,302.19x = 99,381,548.88
  5. Step 5: Solve for x
    x = 99,381,548.88/13,302.19
  6. Step 6: Final answer
    x = 7,471.07

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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.