Home / 15,545.40-23,322.78-9,312.36

Finding the Fourth Proportional to 15,545.40, 23,322.78 and 9,312.36

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Solution

The fourth proportional to 15,545.40, 23,322.78 and 9,312.36 is: 13,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.40 : 23,322.78 = 9,312.36 : x
  2. Step 2: Convert to fraction form
    15,545.40/23,322.78 = 9,312.36/x
  3. Step 3: Cross multiply
    15,545.40x = 23,322.78 × 9,312.36
  4. Step 4: Simplify right side
    15,545.40x = 217,190,123.56
  5. Step 5: Solve for x
    x = 217,190,123.56/15,545.40
  6. Step 6: Final answer
    x = 13,971.34

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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.