Home / 42,772.28-64,140.08-14,695.16

Finding the Fourth Proportional to 42,772.28, 64,140.08 and 14,695.16

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Solution

The fourth proportional to 42,772.28, 64,140.08 and 14,695.16 is: 22,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772.28 : 64,140.08 = 14,695.16 : x
  2. Step 2: Convert to fraction form
    42,772.28/64,140.08 = 14,695.16/x
  3. Step 3: Cross multiply
    42,772.28x = 64,140.08 × 14,695.16
  4. Step 4: Simplify right side
    42,772.28x = 942,548,738.01
  5. Step 5: Solve for x
    x = 942,548,738.01/42,772.28
  6. Step 6: Final answer
    x = 22,036.44

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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.