Home / 26,457.91-36,510.35-15,125.60

Finding the Fourth Proportional to 26,457.91, 36,510.35 and 15,125.60

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Solution

The fourth proportional to 26,457.91, 36,510.35 and 15,125.60 is: 20,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.91 : 36,510.35 = 15,125.60 : x
  2. Step 2: Convert to fraction form
    26,457.91/36,510.35 = 15,125.60/x
  3. Step 3: Cross multiply
    26,457.91x = 36,510.35 × 15,125.60
  4. Step 4: Simplify right side
    26,457.91x = 552,240,965.61
  5. Step 5: Solve for x
    x = 552,240,965.61/26,457.91
  6. Step 6: Final answer
    x = 20,872.44

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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.