Home / 13,430.02-18,533.64-7,462.24

Finding the Fourth Proportional to 13,430.02, 18,533.64 and 7,462.24

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Solution

The fourth proportional to 13,430.02, 18,533.64 and 7,462.24 is: 10,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430.02 : 18,533.64 = 7,462.24 : x
  2. Step 2: Convert to fraction form
    13,430.02/18,533.64 = 7,462.24/x
  3. Step 3: Cross multiply
    13,430.02x = 18,533.64 × 7,462.24
  4. Step 4: Simplify right side
    13,430.02x = 138,302,469.75
  5. Step 5: Solve for x
    x = 138,302,469.75/13,430.02
  6. Step 6: Final answer
    x = 10,298.01

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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.