Home / 13,534.04-18,677.39-7,565.96

Finding the Fourth Proportional to 13,534.04, 18,677.39 and 7,565.96

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Solution

The fourth proportional to 13,534.04, 18,677.39 and 7,565.96 is: 10,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.04 : 18,677.39 = 7,565.96 : x
  2. Step 2: Convert to fraction form
    13,534.04/18,677.39 = 7,565.96/x
  3. Step 3: Cross multiply
    13,534.04x = 18,677.39 × 7,565.96
  4. Step 4: Simplify right side
    13,534.04x = 141,312,394.51
  5. Step 5: Solve for x
    x = 141,312,394.51/13,534.04
  6. Step 6: Final answer
    x = 10,441.26

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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.