Home / 35,987.60-53,981.94-13,802.24

Finding the Fourth Proportional to 35,987.60, 53,981.94 and 13,802.24

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Solution

The fourth proportional to 35,987.60, 53,981.94 and 13,802.24 is: 20,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.60 : 53,981.94 = 13,802.24 : x
  2. Step 2: Convert to fraction form
    35,987.60/53,981.94 = 13,802.24/x
  3. Step 3: Cross multiply
    35,987.60x = 53,981.94 × 13,802.24
  4. Step 4: Simplify right side
    35,987.60x = 745,071,691.55
  5. Step 5: Solve for x
    x = 745,071,691.55/35,987.60
  6. Step 6: Final answer
    x = 20,703.57

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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.