Home / 13,130.24-19,695.35-4,365.23

Finding the Fourth Proportional to 13,130.24, 19,695.35 and 4,365.23

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Solution

The fourth proportional to 13,130.24, 19,695.35 and 4,365.23 is: 6,547.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.24 : 19,695.35 = 4,365.23 : x
  2. Step 2: Convert to fraction form
    13,130.24/19,695.35 = 4,365.23/x
  3. Step 3: Cross multiply
    13,130.24x = 19,695.35 × 4,365.23
  4. Step 4: Simplify right side
    13,130.24x = 85,974,645.12
  5. Step 5: Solve for x
    x = 85,974,645.12/13,130.24
  6. Step 6: Final answer
    x = 6,547.84

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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.