Home / 13,307.56-18,363.24-7,337.76

Finding the Fourth Proportional to 13,307.56, 18,363.24 and 7,337.76

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Solution

The fourth proportional to 13,307.56, 18,363.24 and 7,337.76 is: 10,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.56 : 18,363.24 = 7,337.76 : x
  2. Step 2: Convert to fraction form
    13,307.56/18,363.24 = 7,337.76/x
  3. Step 3: Cross multiply
    13,307.56x = 18,363.24 × 7,337.76
  4. Step 4: Simplify right side
    13,307.56x = 134,745,047.94
  5. Step 5: Solve for x
    x = 134,745,047.94/13,307.56
  6. Step 6: Final answer
    x = 10,125.45

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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.