Home / 14,163.12-19,545.30-7,875.63

Finding the Fourth Proportional to 14,163.12, 19,545.30 and 7,875.63

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Solution

The fourth proportional to 14,163.12, 19,545.30 and 7,875.63 is: 10,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.12 : 19,545.30 = 7,875.63 : x
  2. Step 2: Convert to fraction form
    14,163.12/19,545.30 = 7,875.63/x
  3. Step 3: Cross multiply
    14,163.12x = 19,545.30 × 7,875.63
  4. Step 4: Simplify right side
    14,163.12x = 153,931,551.04
  5. Step 5: Solve for x
    x = 153,931,551.04/14,163.12
  6. Step 6: Final answer
    x = 10,868.48

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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.