Home / 19,013.28-26,210.88-13,035.48

Finding the Fourth Proportional to 19,013.28, 26,210.88 and 13,035.48

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Solution

The fourth proportional to 19,013.28, 26,210.88 and 13,035.48 is: 17,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.28 : 26,210.88 = 13,035.48 : x
  2. Step 2: Convert to fraction form
    19,013.28/26,210.88 = 13,035.48/x
  3. Step 3: Cross multiply
    19,013.28x = 26,210.88 × 13,035.48
  4. Step 4: Simplify right side
    19,013.28x = 341,671,402.02
  5. Step 5: Solve for x
    x = 341,671,402.02/19,013.28
  6. Step 6: Final answer
    x = 17,970.15

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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.