Home / 13,063.14-18,030.02-8,587.32

Finding the Fourth Proportional to 13,063.14, 18,030.02 and 8,587.32

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Solution

The fourth proportional to 13,063.14, 18,030.02 and 8,587.32 is: 11,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.14 : 18,030.02 = 8,587.32 : x
  2. Step 2: Convert to fraction form
    13,063.14/18,030.02 = 8,587.32/x
  3. Step 3: Cross multiply
    13,063.14x = 18,030.02 × 8,587.32
  4. Step 4: Simplify right side
    13,063.14x = 154,829,551.35
  5. Step 5: Solve for x
    x = 154,829,551.35/13,063.14
  6. Step 6: Final answer
    x = 11,852.40

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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.