Home / 13,534.18-18,677.58-7,566.10

Finding the Fourth Proportional to 13,534.18, 18,677.58 and 7,566.10

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Solution

The fourth proportional to 13,534.18, 18,677.58 and 7,566.10 is: 10,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.18 : 18,677.58 = 7,566.10 : x
  2. Step 2: Convert to fraction form
    13,534.18/18,677.58 = 7,566.10/x
  3. Step 3: Cross multiply
    13,534.18x = 18,677.58 × 7,566.10
  4. Step 4: Simplify right side
    13,534.18x = 141,316,391.34
  5. Step 5: Solve for x
    x = 141,316,391.34/13,534.18
  6. Step 6: Final answer
    x = 10,441.45

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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.