Home / 14,534.70-21,802.05-13,152.30

Finding the Fourth Proportional to 14,534.70, 21,802.05 and 13,152.30

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Solution

The fourth proportional to 14,534.70, 21,802.05 and 13,152.30 is: 19,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534.70 : 21,802.05 = 13,152.30 : x
  2. Step 2: Convert to fraction form
    14,534.70/21,802.05 = 13,152.30/x
  3. Step 3: Cross multiply
    14,534.70x = 21,802.05 × 13,152.30
  4. Step 4: Simplify right side
    14,534.70x = 286,747,102.22
  5. Step 5: Solve for x
    x = 286,747,102.22/14,534.70
  6. Step 6: Final answer
    x = 19,728.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.