Home / 13,748.57-18,973.04-7,460.95

Finding the Fourth Proportional to 13,748.57, 18,973.04 and 7,460.95

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Solution

The fourth proportional to 13,748.57, 18,973.04 and 7,460.95 is: 10,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.57 : 18,973.04 = 7,460.95 : x
  2. Step 2: Convert to fraction form
    13,748.57/18,973.04 = 7,460.95/x
  3. Step 3: Cross multiply
    13,748.57x = 18,973.04 × 7,460.95
  4. Step 4: Simplify right side
    13,748.57x = 141,556,798.60
  5. Step 5: Solve for x
    x = 141,556,798.60/13,748.57
  6. Step 6: Final answer
    x = 10,296.11

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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.