Home / 13,426.02-18,527.30-7,457.22

Finding the Fourth Proportional to 13,426.02, 18,527.30 and 7,457.22

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Solution

The fourth proportional to 13,426.02, 18,527.30 and 7,457.22 is: 10,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.02 : 18,527.30 = 7,457.22 : x
  2. Step 2: Convert to fraction form
    13,426.02/18,527.30 = 7,457.22/x
  3. Step 3: Cross multiply
    13,426.02x = 18,527.30 × 7,457.22
  4. Step 4: Simplify right side
    13,426.02x = 138,162,152.11
  5. Step 5: Solve for x
    x = 138,162,152.11/13,426.02
  6. Step 6: Final answer
    x = 10,290.63

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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.