Home / 43,012.80-64,527.36-14,931.76

Finding the Fourth Proportional to 43,012.80, 64,527.36 and 14,931.76

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Solution

The fourth proportional to 43,012.80, 64,527.36 and 14,931.76 is: 22,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012.80 : 64,527.36 = 14,931.76 : x
  2. Step 2: Convert to fraction form
    43,012.80/64,527.36 = 14,931.76/x
  3. Step 3: Cross multiply
    43,012.80x = 64,527.36 × 14,931.76
  4. Step 4: Simplify right side
    43,012.80x = 963,507,052.95
  5. Step 5: Solve for x
    x = 963,507,052.95/43,012.80
  6. Step 6: Final answer
    x = 22,400.47

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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.