Home / 14,802.48-20,430.54-14,334.12

Finding the Fourth Proportional to 14,802.48, 20,430.54 and 14,334.12

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Solution

The fourth proportional to 14,802.48, 20,430.54 and 14,334.12 is: 19,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.48 : 20,430.54 = 14,334.12 : x
  2. Step 2: Convert to fraction form
    14,802.48/20,430.54 = 14,334.12/x
  3. Step 3: Cross multiply
    14,802.48x = 20,430.54 × 14,334.12
  4. Step 4: Simplify right side
    14,802.48x = 292,853,812.02
  5. Step 5: Solve for x
    x = 292,853,812.02/14,802.48
  6. Step 6: Final answer
    x = 19,784.10

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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.