Home / 13,748.63-18,973.11-7,461.01

Finding the Fourth Proportional to 13,748.63, 18,973.11 and 7,461.01

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Solution

The fourth proportional to 13,748.63, 18,973.11 and 7,461.01 is: 10,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.63 : 18,973.11 = 7,461.01 : x
  2. Step 2: Convert to fraction form
    13,748.63/18,973.11 = 7,461.01/x
  3. Step 3: Cross multiply
    13,748.63x = 18,973.11 × 7,461.01
  4. Step 4: Simplify right side
    13,748.63x = 141,558,516.01
  5. Step 5: Solve for x
    x = 141,558,516.01/13,748.63
  6. Step 6: Final answer
    x = 10,296.19

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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.