Home / 13,563.55-18,715.54-7,595.47

Finding the Fourth Proportional to 13,563.55, 18,715.54 and 7,595.47

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Solution

The fourth proportional to 13,563.55, 18,715.54 and 7,595.47 is: 10,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.55 : 18,715.54 = 7,595.47 : x
  2. Step 2: Convert to fraction form
    13,563.55/18,715.54 = 7,595.47/x
  3. Step 3: Cross multiply
    13,563.55x = 18,715.54 × 7,595.47
  4. Step 4: Simplify right side
    13,563.55x = 142,153,322.60
  5. Step 5: Solve for x
    x = 142,153,322.60/13,563.55
  6. Step 6: Final answer
    x = 10,480.54

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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.