Home / 13,703.40-20,547.22-5,373.66

Finding the Fourth Proportional to 13,703.40, 20,547.22 and 5,373.66

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Solution

The fourth proportional to 13,703.40, 20,547.22 and 5,373.66 is: 8,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.40 : 20,547.22 = 5,373.66 : x
  2. Step 2: Convert to fraction form
    13,703.40/20,547.22 = 5,373.66/x
  3. Step 3: Cross multiply
    13,703.40x = 20,547.22 × 5,373.66
  4. Step 4: Simplify right side
    13,703.40x = 110,413,774.23
  5. Step 5: Solve for x
    x = 110,413,774.23/13,703.40
  6. Step 6: Final answer
    x = 8,057.40

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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.