Home / 13,598.51-18,765.92-7,630.16

Finding the Fourth Proportional to 13,598.51, 18,765.92 and 7,630.16

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Solution

The fourth proportional to 13,598.51, 18,765.92 and 7,630.16 is: 10,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.51 : 18,765.92 = 7,630.16 : x
  2. Step 2: Convert to fraction form
    13,598.51/18,765.92 = 7,630.16/x
  3. Step 3: Cross multiply
    13,598.51x = 18,765.92 × 7,630.16
  4. Step 4: Simplify right side
    13,598.51x = 143,186,840.17
  5. Step 5: Solve for x
    x = 143,186,840.17/13,598.51
  6. Step 6: Final answer
    x = 10,529.60

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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.