Home / 13,818.30-19,063.53-9,628.98

Finding the Fourth Proportional to 13,818.30, 19,063.53 and 9,628.98

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Solution

The fourth proportional to 13,818.30, 19,063.53 and 9,628.98 is: 13,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.30 : 19,063.53 = 9,628.98 : x
  2. Step 2: Convert to fraction form
    13,818.30/19,063.53 = 9,628.98/x
  3. Step 3: Cross multiply
    13,818.30x = 19,063.53 × 9,628.98
  4. Step 4: Simplify right side
    13,818.30x = 183,562,349.10
  5. Step 5: Solve for x
    x = 183,562,349.10/13,818.30
  6. Step 6: Final answer
    x = 13,284.00

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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.