Home / 43,079.04-64,628.28-13,496.76

Finding the Fourth Proportional to 43,079.04, 64,628.28 and 13,496.76

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Solution

The fourth proportional to 43,079.04, 64,628.28 and 13,496.76 is: 20,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,079.04 : 64,628.28 = 13,496.76 : x
  2. Step 2: Convert to fraction form
    43,079.04/64,628.28 = 13,496.76/x
  3. Step 3: Cross multiply
    43,079.04x = 64,628.28 × 13,496.76
  4. Step 4: Simplify right side
    43,079.04x = 872,272,384.37
  5. Step 5: Solve for x
    x = 872,272,384.37/43,079.04
  6. Step 6: Final answer
    x = 20,248.19

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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.