Home / 55,638.09-83,457.50-14,085.09

Finding the Fourth Proportional to 55,638.09, 83,457.50 and 14,085.09

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Solution

The fourth proportional to 55,638.09, 83,457.50 and 14,085.09 is: 21,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,638.09 : 83,457.50 = 14,085.09 : x
  2. Step 2: Convert to fraction form
    55,638.09/83,457.50 = 14,085.09/x
  3. Step 3: Cross multiply
    55,638.09x = 83,457.50 × 14,085.09
  4. Step 4: Simplify right side
    55,638.09x = 1,175,506,328.25
  5. Step 5: Solve for x
    x = 1,175,506,328.25/55,638.09
  6. Step 6: Final answer
    x = 21,127.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.