Home / 22,529.19-31,089.02-12,457.02

Finding the Fourth Proportional to 22,529.19, 31,089.02 and 12,457.02

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Solution

The fourth proportional to 22,529.19, 31,089.02 and 12,457.02 is: 17,189.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.19 : 31,089.02 = 12,457.02 : x
  2. Step 2: Convert to fraction form
    22,529.19/31,089.02 = 12,457.02/x
  3. Step 3: Cross multiply
    22,529.19x = 31,089.02 × 12,457.02
  4. Step 4: Simplify right side
    22,529.19x = 387,276,481.64
  5. Step 5: Solve for x
    x = 387,276,481.64/22,529.19
  6. Step 6: Final answer
    x = 17,189.99

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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.