Home / 13,337.02-18,423.75-9,630.46

Finding the Fourth Proportional to 13,337.02, 18,423.75 and 9,630.46

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Solution

The fourth proportional to 13,337.02, 18,423.75 and 9,630.46 is: 13,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.02 : 18,423.75 = 9,630.46 : x
  2. Step 2: Convert to fraction form
    13,337.02/18,423.75 = 9,630.46/x
  3. Step 3: Cross multiply
    13,337.02x = 18,423.75 × 9,630.46
  4. Step 4: Simplify right side
    13,337.02x = 177,429,187.43
  5. Step 5: Solve for x
    x = 177,429,187.43/13,337.02
  6. Step 6: Final answer
    x = 13,303.51

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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.