Home / 27,457.10-37,890.78-14,881.86

Finding the Fourth Proportional to 27,457.10, 37,890.78 and 14,881.86

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Solution

The fourth proportional to 27,457.10, 37,890.78 and 14,881.86 is: 20,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.10 : 37,890.78 = 14,881.86 : x
  2. Step 2: Convert to fraction form
    27,457.10/37,890.78 = 14,881.86/x
  3. Step 3: Cross multiply
    27,457.10x = 37,890.78 × 14,881.86
  4. Step 4: Simplify right side
    27,457.10x = 563,885,283.25
  5. Step 5: Solve for x
    x = 563,885,283.25/27,457.10
  6. Step 6: Final answer
    x = 20,536.96

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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.