Home / 16,315.49-22,526.21-12,531.89

Finding the Fourth Proportional to 16,315.49, 22,526.21 and 12,531.89

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Solution

The fourth proportional to 16,315.49, 22,526.21 and 12,531.89 is: 17,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.49 : 22,526.21 = 12,531.89 : x
  2. Step 2: Convert to fraction form
    16,315.49/22,526.21 = 12,531.89/x
  3. Step 3: Cross multiply
    16,315.49x = 22,526.21 × 12,531.89
  4. Step 4: Simplify right side
    16,315.49x = 282,295,985.84
  5. Step 5: Solve for x
    x = 282,295,985.84/16,315.49
  6. Step 6: Final answer
    x = 17,302.33

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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.