Home / 14,309.06-21,459.47-4,948.70

Finding the Fourth Proportional to 14,309.06, 21,459.47 and 4,948.70

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Solution

The fourth proportional to 14,309.06, 21,459.47 and 4,948.70 is: 7,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.06 : 21,459.47 = 4,948.70 : x
  2. Step 2: Convert to fraction form
    14,309.06/21,459.47 = 4,948.70/x
  3. Step 3: Cross multiply
    14,309.06x = 21,459.47 × 4,948.70
  4. Step 4: Simplify right side
    14,309.06x = 106,196,347.15
  5. Step 5: Solve for x
    x = 106,196,347.15/14,309.06
  6. Step 6: Final answer
    x = 7,421.62

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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.