Home / 13,562.61-18,716.75-7,595.55

Finding the Fourth Proportional to 13,562.61, 18,716.75 and 7,595.55

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Solution

The fourth proportional to 13,562.61, 18,716.75 and 7,595.55 is: 10,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.61 : 18,716.75 = 7,595.55 : x
  2. Step 2: Convert to fraction form
    13,562.61/18,716.75 = 7,595.55/x
  3. Step 3: Cross multiply
    13,562.61x = 18,716.75 × 7,595.55
  4. Step 4: Simplify right side
    13,562.61x = 142,164,010.46
  5. Step 5: Solve for x
    x = 142,164,010.46/13,562.61
  6. Step 6: Final answer
    x = 10,482.05

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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.