Home / 16,315.04-22,525.61-12,531.45

Finding the Fourth Proportional to 16,315.04, 22,525.61 and 12,531.45

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Solution

The fourth proportional to 16,315.04, 22,525.61 and 12,531.45 is: 17,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.04 : 22,525.61 = 12,531.45 : x
  2. Step 2: Convert to fraction form
    16,315.04/22,525.61 = 12,531.45/x
  3. Step 3: Cross multiply
    16,315.04x = 22,525.61 × 12,531.45
  4. Step 4: Simplify right side
    16,315.04x = 282,278,492.78
  5. Step 5: Solve for x
    x = 282,278,492.78/16,315.04
  6. Step 6: Final answer
    x = 17,301.74

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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.