Home / 35,931.04-53,896.66-12,557.48

Finding the Fourth Proportional to 35,931.04, 53,896.66 and 12,557.48

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Solution

The fourth proportional to 35,931.04, 53,896.66 and 12,557.48 is: 18,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.04 : 53,896.66 = 12,557.48 : x
  2. Step 2: Convert to fraction form
    35,931.04/53,896.66 = 12,557.48/x
  3. Step 3: Cross multiply
    35,931.04x = 53,896.66 × 12,557.48
  4. Step 4: Simplify right side
    35,931.04x = 676,805,929.14
  5. Step 5: Solve for x
    x = 676,805,929.14/35,931.04
  6. Step 6: Final answer
    x = 18,836.25

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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.