Home / 16,158.59-24,232.96-12,988.51

Finding the Fourth Proportional to 16,158.59, 24,232.96 and 12,988.51

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Solution

The fourth proportional to 16,158.59, 24,232.96 and 12,988.51 is: 19,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,158.59 : 24,232.96 = 12,988.51 : x
  2. Step 2: Convert to fraction form
    16,158.59/24,232.96 = 12,988.51/x
  3. Step 3: Cross multiply
    16,158.59x = 24,232.96 × 12,988.51
  4. Step 4: Simplify right side
    16,158.59x = 314,750,001.02
  5. Step 5: Solve for x
    x = 314,750,001.02/16,158.59
  6. Step 6: Final answer
    x = 19,478.80

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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.