Home / 14,510.36-20,024.40-8,222.76

Finding the Fourth Proportional to 14,510.36, 20,024.40 and 8,222.76

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Solution

The fourth proportional to 14,510.36, 20,024.40 and 8,222.76 is: 11,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.36 : 20,024.40 = 8,222.76 : x
  2. Step 2: Convert to fraction form
    14,510.36/20,024.40 = 8,222.76/x
  3. Step 3: Cross multiply
    14,510.36x = 20,024.40 × 8,222.76
  4. Step 4: Simplify right side
    14,510.36x = 164,655,835.34
  5. Step 5: Solve for x
    x = 164,655,835.34/14,510.36
  6. Step 6: Final answer
    x = 11,347.47

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Half scale
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Double scale
Find fourth proportional to 14,511.36, 20,025.78 and 8,223.76
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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.