Home / 27,142.92-37,457.02-15,206.35

Finding the Fourth Proportional to 27,142.92, 37,457.02 and 15,206.35

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Solution

The fourth proportional to 27,142.92, 37,457.02 and 15,206.35 is: 20,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,142.92 : 37,457.02 = 15,206.35 : x
  2. Step 2: Convert to fraction form
    27,142.92/37,457.02 = 15,206.35/x
  3. Step 3: Cross multiply
    27,142.92x = 37,457.02 × 15,206.35
  4. Step 4: Simplify right side
    27,142.92x = 569,584,518.06
  5. Step 5: Solve for x
    x = 569,584,518.06/27,142.92
  6. Step 6: Final answer
    x = 20,984.65

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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.