Home / 13,567.95-18,722.75-7,598.25

Finding the Fourth Proportional to 13,567.95, 18,722.75 and 7,598.25

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Solution

The fourth proportional to 13,567.95, 18,722.75 and 7,598.25 is: 10,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.95 : 18,722.75 = 7,598.25 : x
  2. Step 2: Convert to fraction form
    13,567.95/18,722.75 = 7,598.25/x
  3. Step 3: Cross multiply
    13,567.95x = 18,722.75 × 7,598.25
  4. Step 4: Simplify right side
    13,567.95x = 142,260,097.20
  5. Step 5: Solve for x
    x = 142,260,097.20/13,567.95
  6. Step 6: Final answer
    x = 10,485.01

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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.