Home / 22,579.55-31,158.40-12,507.41

Finding the Fourth Proportional to 22,579.55, 31,158.40 and 12,507.41

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Solution

The fourth proportional to 22,579.55, 31,158.40 and 12,507.41 is: 17,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.55 : 31,158.40 = 12,507.41 : x
  2. Step 2: Convert to fraction form
    22,579.55/31,158.40 = 12,507.41/x
  3. Step 3: Cross multiply
    22,579.55x = 31,158.40 × 12,507.41
  4. Step 4: Simplify right side
    22,579.55x = 389,710,883.74
  5. Step 5: Solve for x
    x = 389,710,883.74/22,579.55
  6. Step 6: Final answer
    x = 17,259.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.