Home / 14,865.36-20,510.84-10,085.96

Finding the Fourth Proportional to 14,865.36, 20,510.84 and 10,085.96

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Solution

The fourth proportional to 14,865.36, 20,510.84 and 10,085.96 is: 13,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.36 : 20,510.84 = 10,085.96 : x
  2. Step 2: Convert to fraction form
    14,865.36/20,510.84 = 10,085.96/x
  3. Step 3: Cross multiply
    14,865.36x = 20,510.84 × 10,085.96
  4. Step 4: Simplify right side
    14,865.36x = 206,871,511.81
  5. Step 5: Solve for x
    x = 206,871,511.81/14,865.36
  6. Step 6: Final answer
    x = 13,916.35

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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.