Home / 26,421.75-36,461.21-14,484.78

Finding the Fourth Proportional to 26,421.75, 36,461.21 and 14,484.78

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Solution

The fourth proportional to 26,421.75, 36,461.21 and 14,484.78 is: 19,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.75 : 36,461.21 = 14,484.78 : x
  2. Step 2: Convert to fraction form
    26,421.75/36,461.21 = 14,484.78/x
  3. Step 3: Cross multiply
    26,421.75x = 36,461.21 × 14,484.78
  4. Step 4: Simplify right side
    26,421.75x = 528,132,532.96
  5. Step 5: Solve for x
    x = 528,132,532.96/26,421.75
  6. Step 6: Final answer
    x = 19,988.55

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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.