Home / 13,045.16-19,534.08-8,648.84

Finding the Fourth Proportional to 13,045.16, 19,534.08 and 8,648.84

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Solution

The fourth proportional to 13,045.16, 19,534.08 and 8,648.84 is: 12,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.16 : 19,534.08 = 8,648.84 : x
  2. Step 2: Convert to fraction form
    13,045.16/19,534.08 = 8,648.84/x
  3. Step 3: Cross multiply
    13,045.16x = 19,534.08 × 8,648.84
  4. Step 4: Simplify right side
    13,045.16x = 168,947,132.47
  5. Step 5: Solve for x
    x = 168,947,132.47/13,045.16
  6. Step 6: Final answer
    x = 12,950.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.