Home / 13,160.95-18,166.44-10,477.08

Finding the Fourth Proportional to 13,160.95, 18,166.44 and 10,477.08

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Solution

The fourth proportional to 13,160.95, 18,166.44 and 10,477.08 is: 14,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.95 : 18,166.44 = 10,477.08 : x
  2. Step 2: Convert to fraction form
    13,160.95/18,166.44 = 10,477.08/x
  3. Step 3: Cross multiply
    13,160.95x = 18,166.44 × 10,477.08
  4. Step 4: Simplify right side
    13,160.95x = 190,331,284.48
  5. Step 5: Solve for x
    x = 190,331,284.48/13,160.95
  6. Step 6: Final answer
    x = 14,461.82

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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.