Home / 26,875.13-40,312.69-10,459.13

Finding the Fourth Proportional to 26,875.13, 40,312.69 and 10,459.13

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Solution

The fourth proportional to 26,875.13, 40,312.69 and 10,459.13 is: 15,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875.13 : 40,312.69 = 10,459.13 : x
  2. Step 2: Convert to fraction form
    26,875.13/40,312.69 = 10,459.13/x
  3. Step 3: Cross multiply
    26,875.13x = 40,312.69 × 10,459.13
  4. Step 4: Simplify right side
    26,875.13x = 421,635,437.65
  5. Step 5: Solve for x
    x = 421,635,437.65/26,875.13
  6. Step 6: Final answer
    x = 15,688.69

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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.