Home / 15,854.02-23,783.74-5,325.06

Finding the Fourth Proportional to 15,854.02, 23,783.74 and 5,325.06

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Solution

The fourth proportional to 15,854.02, 23,783.74 and 5,325.06 is: 7,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854.02 : 23,783.74 = 5,325.06 : x
  2. Step 2: Convert to fraction form
    15,854.02/23,783.74 = 5,325.06/x
  3. Step 3: Cross multiply
    15,854.02x = 23,783.74 × 5,325.06
  4. Step 4: Simplify right side
    15,854.02x = 126,649,829.21
  5. Step 5: Solve for x
    x = 126,649,829.21/15,854.02
  6. Step 6: Final answer
    x = 7,988.50

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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.