Home / 13,468.77-18,587.21-7,501.05

Finding the Fourth Proportional to 13,468.77, 18,587.21 and 7,501.05

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Solution

The fourth proportional to 13,468.77, 18,587.21 and 7,501.05 is: 10,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.77 : 18,587.21 = 7,501.05 : x
  2. Step 2: Convert to fraction form
    13,468.77/18,587.21 = 7,501.05/x
  3. Step 3: Cross multiply
    13,468.77x = 18,587.21 × 7,501.05
  4. Step 4: Simplify right side
    13,468.77x = 139,423,554.07
  5. Step 5: Solve for x
    x = 139,423,554.07/13,468.77
  6. Step 6: Final answer
    x = 10,351.62

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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.