Home / 43,328.74-64,995.42-13,748.89

Finding the Fourth Proportional to 43,328.74, 64,995.42 and 13,748.89

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Solution

The fourth proportional to 43,328.74, 64,995.42 and 13,748.89 is: 20,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,328.74 : 64,995.42 = 13,748.89 : x
  2. Step 2: Convert to fraction form
    43,328.74/64,995.42 = 13,748.89/x
  3. Step 3: Cross multiply
    43,328.74x = 64,995.42 × 13,748.89
  4. Step 4: Simplify right side
    43,328.74x = 893,614,880.08
  5. Step 5: Solve for x
    x = 893,614,880.08/43,328.74
  6. Step 6: Final answer
    x = 20,624.07

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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.