Home / 14,311.08-21,458.70-4,946.76

Finding the Fourth Proportional to 14,311.08, 21,458.70 and 4,946.76

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Solution

The fourth proportional to 14,311.08, 21,458.70 and 4,946.76 is: 7,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.08 : 21,458.70 = 4,946.76 : x
  2. Step 2: Convert to fraction form
    14,311.08/21,458.70 = 4,946.76/x
  3. Step 3: Cross multiply
    14,311.08x = 21,458.70 × 4,946.76
  4. Step 4: Simplify right side
    14,311.08x = 106,151,038.81
  5. Step 5: Solve for x
    x = 106,151,038.81/14,311.08
  6. Step 6: Final answer
    x = 7,417.40

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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.