Home / 13,667.48-20,503.95-4,903.07

Finding the Fourth Proportional to 13,667.48, 20,503.95 and 4,903.07

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Solution

The fourth proportional to 13,667.48, 20,503.95 and 4,903.07 is: 7,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.48 : 20,503.95 = 4,903.07 : x
  2. Step 2: Convert to fraction form
    13,667.48/20,503.95 = 4,903.07/x
  3. Step 3: Cross multiply
    13,667.48x = 20,503.95 × 4,903.07
  4. Step 4: Simplify right side
    13,667.48x = 100,532,302.13
  5. Step 5: Solve for x
    x = 100,532,302.13/13,667.48
  6. Step 6: Final answer
    x = 7,355.58

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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.