Home / 13,356.43-18,415.12-8,567.93

Finding the Fourth Proportional to 13,356.43, 18,415.12 and 8,567.93

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Solution

The fourth proportional to 13,356.43, 18,415.12 and 8,567.93 is: 11,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.43 : 18,415.12 = 8,567.93 : x
  2. Step 2: Convert to fraction form
    13,356.43/18,415.12 = 8,567.93/x
  3. Step 3: Cross multiply
    13,356.43x = 18,415.12 × 8,567.93
  4. Step 4: Simplify right side
    13,356.43x = 157,779,459.10
  5. Step 5: Solve for x
    x = 157,779,459.10/13,356.43
  6. Step 6: Final answer
    x = 11,813.00

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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.